Move tests to TypeScript (coverage is still JS based)

.gitignore

@@ -2,3 +2,6 @@ coverage
 node_modules
 .nyc_output
 npm-debug.log
+test/*.js
+test/integration/*.js
+!test/ts-node-register.js

package.json

@@ -16,7 +16,9 @@
   ],
   "scripts": {
     "build": "npm run clean && tsc -p ./tsconfig.json && npm run formatjs",
+    "build:tests": "npm run clean:jstests && tsc -p ./test/tsconfig.json",
     "clean": "rimraf src types",
+    "clean:jstests": "rimraf 'test/**/!(ts-node-register)*.js'",
     "coverage-report": "npm run build && npm run nobuild:coverage-report",
     "coverage-html": "npm run build && npm run nobuild:coverage-html",
     "coverage": "npm run build && npm run nobuild:coverage",
@@ -26,12 +28,13 @@
     "gitdiff:ci": "npm run build && git diff --exit-code",
     "integration": "npm run build && npm run nobuild:integration",
     "lint": "tslint -p tsconfig.json -c tslint.json",
+    "mocha:ts": "mocha --recursive --require test/ts-node-register",
     "nobuild:coverage-report": "nyc report --reporter=lcov",
     "nobuild:coverage-html": "nyc report --reporter=html",
-    "nobuild:coverage": "nyc --check-coverage --branches 90 --functions 90 --lines 90 mocha",
+    "nobuild:coverage": "npm run build:tests && nyc --check-coverage --branches 90 --functions 90 --lines 90 mocha && npm run clean:jstests",
-    "nobuild:integration": "mocha --timeout 50000 test/integration/",
+    "nobuild:integration": "npm run mocha:ts -- --timeout 50000 'test/integration/*.ts'",
-    "nobuild:unit": "mocha",
+    "nobuild:unit": "npm run mocha:ts -- 'test/*.ts'",
-    "prettier": "prettier 'ts_src/**/*.ts' --ignore-path ./.prettierignore",
+    "prettier": "prettier 'ts_src/**/*.ts' 'test/**/*.ts' --ignore-path ./.prettierignore",
     "prettierjs": "prettier 'src/**/*.js' --ignore-path ./.prettierignore",
     "test": "npm run build && npm run format:ci && npm run lint && npm run nobuild:coverage",
     "unit": "npm run build && npm run nobuild:unit"
@@ -63,7 +66,10 @@
     "wif": "^2.0.1"
   },
   "devDependencies": {
-    "bip39": "^2.3.0",
+    "@types/bs58": "^4.0.0",
+    "@types/mocha": "^5.2.7",
+    "@types/proxyquire": "^1.3.28",
+    "bip39": "^3.0.2",
     "bip65": "^1.0.1",
     "bip68": "^1.0.3",
     "bn.js": "^4.11.8",
@@ -71,12 +77,13 @@
     "dhttp": "^3.0.0",
     "hoodwink": "^2.0.0",
     "minimaldata": "^1.0.2",
-    "mocha": "^5.2.0",
+    "mocha": "^6.2.0",
     "nyc": "^14.1.1",
     "prettier": "1.16.4",
     "proxyquire": "^2.0.1",
     "regtest-client": "0.2.0",
     "rimraf": "^2.6.3",
+    "ts-node": "^8.3.0",
     "tslint": "^5.16.0",
     "typescript": "3.2.2"
   },

test/address.spec.ts

@@ -1,134 +1,148 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const baddress = require('../src/address')
+import * as baddress from '../src/address';
-const bscript = require('../src/script')
+import * as bscript from '../src/script';
-const fixtures = require('./fixtures/address.json')
+import * as fixtures from './fixtures/address.json';
-const NETWORKS = Object.assign({
+
-  litecoin: {
+const NETWORKS = Object.assign(
-    messagePrefix: '\x19Litecoin Signed Message:\n',
+  {
-    bip32: {
+    litecoin: {
-      public: 0x019da462,
+      messagePrefix: '\x19Litecoin Signed Message:\n',
-      private: 0x019d9cfe
+      bip32: {
+        public: 0x019da462,
+        private: 0x019d9cfe,
+      },
+      pubKeyHash: 0x30,
+      scriptHash: 0x32,
+      wif: 0xb0,
     },
-    pubKeyHash: 0x30,
+  },
-    scriptHash: 0x32,
+  require('../src/networks'),
-    wif: 0xb0
+);
-  }
-}, require('../src/networks'))
 
 describe('address', () => {
   describe('fromBase58Check', () => {
     fixtures.standard.forEach(f => {
-      if (!f.base58check) return
+      if (!f.base58check) return;
 
       it('decodes ' + f.base58check, () => {
-        const decode = baddress.fromBase58Check(f.base58check)
+        const decode = baddress.fromBase58Check(f.base58check);
 
-        assert.strictEqual(decode.version, f.version)
+        assert.strictEqual(decode.version, f.version);
-        assert.strictEqual(decode.hash.toString('hex'), f.hash)
+        assert.strictEqual(decode.hash.toString('hex'), f.hash);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.fromBase58Check.forEach(f => {
       it('throws on ' + f.exception, () => {
         assert.throws(() => {
-          baddress.fromBase58Check(f.address)
+          baddress.fromBase58Check(f.address);
-        }, new RegExp(f.address + ' ' + f.exception))
+        }, new RegExp(f.address + ' ' + f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('fromBech32', () => {
     fixtures.standard.forEach(f => {
-      if (!f.bech32) return
+      if (!f.bech32) return;
 
       it('decodes ' + f.bech32, () => {
-        const actual = baddress.fromBech32(f.bech32)
+        const actual = baddress.fromBech32(f.bech32);
 
-        assert.strictEqual(actual.version, f.version)
+        assert.strictEqual(actual.version, f.version);
-        assert.strictEqual(actual.prefix, NETWORKS[f.network].bech32)
+        assert.strictEqual(actual.prefix, NETWORKS[f.network].bech32);
-        assert.strictEqual(actual.data.toString('hex'), f.data)
+        assert.strictEqual(actual.data.toString('hex'), f.data);
-      })
+      });
-    })
+    });
 
-    fixtures.invalid.bech32.forEach((f, i) => {
+    fixtures.invalid.bech32.forEach(f => {
-      it('decode fails for ' + f.bech32 + '(' + f.exception + ')', () => {
+      it('decode fails for ' + f.address + '(' + f.exception + ')', () => {
         assert.throws(() => {
-          baddress.fromBech32(f.address)
+          baddress.fromBech32(f.address);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('fromOutputScript', () => {
     fixtures.standard.forEach(f => {
       it('encodes ' + f.script.slice(0, 30) + '... (' + f.network + ')', () => {
-        const script = bscript.fromASM(f.script)
+        const script = bscript.fromASM(f.script);
-        const address = baddress.fromOutputScript(script, NETWORKS[f.network])
+        const address = baddress.fromOutputScript(script, NETWORKS[f.network]);
 
-        assert.strictEqual(address, f.base58check || f.bech32.toLowerCase())
+        assert.strictEqual(address, f.base58check || f.bech32!.toLowerCase());
-      })
+      });
-    })
+    });
 
     fixtures.invalid.fromOutputScript.forEach(f => {
       it('throws when ' + f.script.slice(0, 30) + '... ' + f.exception, () => {
-        const script = bscript.fromASM(f.script)
+        const script = bscript.fromASM(f.script);
 
         assert.throws(() => {
-          baddress.fromOutputScript(script)
+          baddress.fromOutputScript(script);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('toBase58Check', () => {
     fixtures.standard.forEach(f => {
-      if (!f.base58check) return
+      if (!f.base58check) return;
 
       it('encodes ' + f.hash + ' (' + f.network + ')', () => {
-        const address = baddress.toBase58Check(Buffer.from(f.hash, 'hex'), f.version)
+        const address = baddress.toBase58Check(
+          Buffer.from(f.hash, 'hex'),
+          f.version,
+        );
 
-        assert.strictEqual(address, f.base58check)
+        assert.strictEqual(address, f.base58check);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('toBech32', () => {
-    fixtures.bech32.forEach((f, i) => {
+    fixtures.bech32.forEach(f => {
-      if (!f.bech32) return
+      if (!f.address) return;
-      const data = Buffer.from(f.data, 'hex')
+      const data = Buffer.from(f.data, 'hex');
 
       it('encode ' + f.address, () => {
-        assert.deepStrictEqual(baddress.toBech32(data, f.version, f.prefix), f.address)
+        assert.deepStrictEqual(
-      })
+          baddress.toBech32(data, f.version, f.prefix),
-    })
+          f.address.toLowerCase(),
+        );
+      });
+    });
 
-    fixtures.invalid.bech32.forEach((f, i) => {
+    // TODO: These fixtures (according to TypeScript) have none of the data used below
-      if (!f.prefix || f.version === undefined || f.data === undefined) return
+    fixtures.invalid.bech32.forEach((f: any) => {
+      if (!f.prefix || f.version === undefined || f.data === undefined) return;
 
       it('encode fails (' + f.exception, () => {
         assert.throws(() => {
-          baddress.toBech32(Buffer.from(f.data, 'hex'), f.version, f.prefix)
+          baddress.toBech32(Buffer.from(f.data, 'hex'), f.version, f.prefix);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('toOutputScript', () => {
     fixtures.standard.forEach(f => {
       it('decodes ' + f.script.slice(0, 30) + '... (' + f.network + ')', () => {
-        const script = baddress.toOutputScript(f.base58check || f.bech32, NETWORKS[f.network])
+        const script = baddress.toOutputScript(
+          (f.base58check || f.bech32)!,
+          NETWORKS[f.network],
+        );
 
-        assert.strictEqual(bscript.toASM(script), f.script)
+        assert.strictEqual(bscript.toASM(script), f.script);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.toOutputScript.forEach(f => {
       it('throws when ' + f.exception, () => {
         assert.throws(() => {
-          baddress.toOutputScript(f.address, f.network)
+          baddress.toOutputScript(f.address, f.network as any);
-        }, new RegExp(f.address + ' ' + f.exception))
+        }, new RegExp(f.address + ' ' + f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

test/bitcoin.core.spec.ts

@@ -1,226 +1,251 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import * as base58 from 'bs58';
-const base58 = require('bs58')
+import { describe, it } from 'mocha';
-const bitcoin = require('../')
+import * as bitcoin from '..';
-
+import * as base58EncodeDecode from './fixtures/core/base58_encode_decode.json';
-const base58EncodeDecode = require('./fixtures/core/base58_encode_decode.json')
+import * as base58KeysInvalid from './fixtures/core/base58_keys_invalid.json';
-const base58KeysInvalid = require('./fixtures/core/base58_keys_invalid.json')
+import * as base58KeysValid from './fixtures/core/base58_keys_valid.json';
-const base58KeysValid = require('./fixtures/core/base58_keys_valid.json')
+import * as blocksValid from './fixtures/core/blocks.json';
-const blocksValid = require('./fixtures/core/blocks.json')
+import * as sigCanonical from './fixtures/core/sig_canonical.json';
-const sigCanonical = require('./fixtures/core/sig_canonical.json')
+import * as sigHash from './fixtures/core/sighash.json';
-const sigHash = require('./fixtures/core/sighash.json')
+import * as sigNoncanonical from './fixtures/core/sig_noncanonical.json';
-const sigNoncanonical = require('./fixtures/core/sig_noncanonical.json')
+import * as txValid from './fixtures/core/tx_valid.json';
-const txValid = require('./fixtures/core/tx_valid.json')
 
 describe('Bitcoin-core', () => {
   // base58EncodeDecode
   describe('base58', () => {
     base58EncodeDecode.forEach(f => {
-      const fhex = f[0]
+      const fhex = f[0];
-      const fb58 = f[1]
+      const fb58 = f[1];
 
       it('can decode ' + fb58, () => {
-        const buffer = base58.decode(fb58)
+        const buffer = base58.decode(fb58);
-        const actual = buffer.toString('hex')
+        const actual = buffer.toString('hex');
 
-        assert.strictEqual(actual, fhex)
+        assert.strictEqual(actual, fhex);
-      })
+      });
 
       it('can encode ' + fhex, () => {
-        const buffer = Buffer.from(fhex, 'hex')
+        const buffer = Buffer.from(fhex, 'hex');
-        const actual = base58.encode(buffer)
+        const actual = base58.encode(buffer);
 
-        assert.strictEqual(actual, fb58)
+        assert.strictEqual(actual, fb58);
-      })
+      });
-    })
+    });
-  })
+  });
 
   // base58KeysValid
   describe('address.toBase58Check', () => {
-    const typeMap = {
+    const typeMap: any = {
-      'pubkey': 'pubKeyHash',
+      pubkey: 'pubKeyHash',
-      'script': 'scriptHash'
+      script: 'scriptHash',
-    }
+    };
 
     base58KeysValid.forEach(f => {
-      const expected = f[0]
+      const expected = f[0];
-      const hash = Buffer.from(f[1], 'hex')
+      const hash = Buffer.from(f[1] as any, 'hex');
-      const params = f[2]
+      const params = f[2] as any;
 
-      if (params.isPrivkey) return
+      if (params.isPrivkey) return;
 
-      const network = params.isTestnet ? bitcoin.networks.testnet : bitcoin.networks.bitcoin
+      const network: any = params.isTestnet
-      const version = network[typeMap[params.addrType]]
+        ? bitcoin.networks.testnet
+        : bitcoin.networks.bitcoin;
+      const version = network[typeMap[params.addrType]];
 
       it('can export ' + expected, () => {
-        assert.strictEqual(bitcoin.address.toBase58Check(hash, version), expected)
+        assert.strictEqual(
-      })
+          bitcoin.address.toBase58Check(hash, version),
-    })
+          expected,
-  })
+        );
+      });
+    });
+  });
 
   // base58KeysInvalid
   describe('address.fromBase58Check', () => {
     const allowedNetworks = [
-      bitcoin.networks.bitcoin.pubkeyhash,
+      bitcoin.networks.bitcoin.pubKeyHash,
-      bitcoin.networks.bitcoin.scripthash,
+      bitcoin.networks.bitcoin.scriptHash,
-      bitcoin.networks.testnet.pubkeyhash,
+      bitcoin.networks.testnet.pubKeyHash,
-      bitcoin.networks.testnet.scripthash
+      bitcoin.networks.testnet.scriptHash,
-    ]
+    ];
 
     base58KeysInvalid.forEach(f => {
-      const string = f[0]
+      const string = f[0];
 
       it('throws on ' + string, () => {
         assert.throws(() => {
-          const address = bitcoin.address.fromBase58Check(string)
+          const address = bitcoin.address.fromBase58Check(string);
 
-          assert.notStrictEqual(allowedNetworks.indexOf(address.version), -1, 'Invalid network')
+          assert.notStrictEqual(
-        }, /(Invalid (checksum|network))|(too (short|long))/)
+            allowedNetworks.indexOf(address.version),
-      })
+            -1,
-    })
+            'Invalid network',
-  })
+          );
+        }, /(Invalid (checksum|network))|(too (short|long))/);
+      });
+    });
+  });
 
   // base58KeysValid
   describe('ECPair', () => {
     base58KeysValid.forEach(f => {
-      const string = f[0]
+      const strng = f[0] as string;
-      const hex = f[1]
+      const hex = f[1];
-      const params = f[2]
+      const params = f[2] as any;
 
-      if (!params.isPrivkey) return
+      if (!params.isPrivkey) return;
 
-      const network = params.isTestnet ? bitcoin.networks.testnet : bitcoin.networks.bitcoin
+      const network = params.isTestnet
-      const keyPair = bitcoin.ECPair.fromWIF(string, network)
+        ? bitcoin.networks.testnet
+        : bitcoin.networks.bitcoin;
+      const keyPair = bitcoin.ECPair.fromWIF(strng, network);
 
-      it('fromWIF imports ' + string, () => {
+      it('fromWIF imports ' + strng, () => {
-        assert.strictEqual(keyPair.privateKey.toString('hex'), hex)
+        assert.strictEqual(keyPair.privateKey!.toString('hex'), hex);
-        assert.strictEqual(keyPair.compressed, params.isCompressed)
+        assert.strictEqual(keyPair.compressed, params.isCompressed);
-      })
+      });
 
-      it('toWIF exports ' + hex + ' to ' + string, () => {
+      it('toWIF exports ' + hex + ' to ' + strng, () => {
-        assert.strictEqual(keyPair.toWIF(), string)
+        assert.strictEqual(keyPair.toWIF(), strng);
-      })
+      });
-    })
+    });
-  })
+  });
 
   // base58KeysInvalid
   describe('ECPair.fromWIF', () => {
     const allowedNetworks = [
       bitcoin.networks.bitcoin,
-      bitcoin.networks.testnet
+      bitcoin.networks.testnet,
-    ]
+    ];
 
     base58KeysInvalid.forEach(f => {
-      const string = f[0]
+      const string = f[0];
 
       it('throws on ' + string, () => {
         assert.throws(() => {
-          bitcoin.ECPair.fromWIF(string, allowedNetworks)
+          bitcoin.ECPair.fromWIF(string, allowedNetworks);
-        }, /(Invalid|Unknown) (checksum|compression flag|network version|WIF length)/)
+        }, /(Invalid|Unknown) (checksum|compression flag|network version|WIF length)/);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('Block.fromHex', () => {
     blocksValid.forEach(f => {
       it('can parse ' + f.id, () => {
-        const block = bitcoin.Block.fromHex(f.hex)
+        const block = bitcoin.Block.fromHex(f.hex);
 
-        assert.strictEqual(block.getId(), f.id)
+        assert.strictEqual(block.getId(), f.id);
-        assert.strictEqual(block.transactions.length, f.transactions)
+        assert.strictEqual(block.transactions!.length, f.transactions);
-      })
+      });
-    })
+    });
-  })
+  });
 
   // txValid
   describe('Transaction.fromHex', () => {
     txValid.forEach(f => {
       // Objects that are only a single string are ignored
-      if (f.length === 1) return
+      if (f.length === 1) return;
 
-      const inputs = f[0]
+      const inputs = f[0];
-      const fhex = f[1]
+      const fhex = f[1];
       //      const verifyFlags = f[2] // TODO: do we need to test this?
 
       it('can decode ' + fhex, () => {
-        const transaction = bitcoin.Transaction.fromHex(fhex)
+        const transaction = bitcoin.Transaction.fromHex(fhex as string);
 
         transaction.ins.forEach((txIn, i) => {
-          const input = inputs[i]
+          const input = inputs[i];
 
           // reverse because test data is reversed
-          const prevOutHash = Buffer.from(input[0], 'hex').reverse()
+          const prevOutHash = Buffer.from(input[0] as string, 'hex').reverse();
-          const prevOutIndex = input[1]
+          const prevOutIndex = input[1];
 
-          assert.deepStrictEqual(txIn.hash, prevOutHash)
+          assert.deepStrictEqual(txIn.hash, prevOutHash);
 
           // we read UInt32, not Int32
-          assert.strictEqual(txIn.index & 0xffffffff, prevOutIndex)
+          assert.strictEqual(txIn.index & 0xffffffff, prevOutIndex);
-        })
+        });
-      })
+      });
-    })
+    });
-  })
+  });
 
   // sighash
   describe('Transaction', () => {
     sigHash.forEach(f => {
       // Objects that are only a single string are ignored
-      if (f.length === 1) return
+      if (f.length === 1) return;
 
-      const txHex = f[0]
+      const txHex = f[0] as string;
-      const scriptHex = f[1]
+      const scriptHex = f[1] as string;
-      const inIndex = f[2]
+      const inIndex = f[2] as number;
-      const hashType = f[3]
+      const hashType = f[3] as number;
-      const expectedHash = f[4]
+      const expectedHash = f[4];
 
-      const hashTypes = []
+      const hashTypes = [];
-      if ((hashType & 0x1f) === bitcoin.Transaction.SIGHASH_NONE) hashTypes.push('SIGHASH_NONE')
+      if ((hashType & 0x1f) === bitcoin.Transaction.SIGHASH_NONE)
-      else if ((hashType & 0x1f) === bitcoin.Transaction.SIGHASH_SINGLE) hashTypes.push('SIGHASH_SINGLE')
+        hashTypes.push('SIGHASH_NONE');
-      else hashTypes.push('SIGHASH_ALL')
+      else if ((hashType & 0x1f) === bitcoin.Transaction.SIGHASH_SINGLE)
-      if (hashType & bitcoin.Transaction.SIGHASH_ANYONECANPAY) hashTypes.push('SIGHASH_ANYONECANPAY')
+        hashTypes.push('SIGHASH_SINGLE');
+      else hashTypes.push('SIGHASH_ALL');
+      if (hashType & bitcoin.Transaction.SIGHASH_ANYONECANPAY)
+        hashTypes.push('SIGHASH_ANYONECANPAY');
 
-      const hashTypeName = hashTypes.join(' | ')
+      const hashTypeName = hashTypes.join(' | ');
 
-      it('should hash ' + txHex.slice(0, 40) + '... (' + hashTypeName + ')', () => {
+      it(
-        const transaction = bitcoin.Transaction.fromHex(txHex)
+        'should hash ' + txHex.slice(0, 40) + '... (' + hashTypeName + ')',
-        assert.strictEqual(transaction.toHex(), txHex)
+        () => {
+          const transaction = bitcoin.Transaction.fromHex(txHex);
+          assert.strictEqual(transaction.toHex(), txHex);
 
-        const script = Buffer.from(scriptHex, 'hex')
+          const script = Buffer.from(scriptHex, 'hex');
-        const scriptChunks = bitcoin.script.decompile(script)
+          const scriptChunks = bitcoin.script.decompile(script);
-        assert.strictEqual(bitcoin.script.compile(scriptChunks).toString('hex'), scriptHex)
+          assert.strictEqual(
+            bitcoin.script.compile(scriptChunks!).toString('hex'),
+            scriptHex,
+          );
 
-        const hash = transaction.hashForSignature(inIndex, script, hashType)
+          const hash = transaction.hashForSignature(inIndex, script, hashType);
 
-        // reverse because test data is reversed
+          // reverse because test data is reversed
-        assert.strictEqual(hash.reverse().toString('hex'), expectedHash)
+          assert.strictEqual(
-      })
+            (hash.reverse() as Buffer).toString('hex'),
-    })
+            expectedHash,
-  })
+          );
+        },
+      );
+    });
+  });
 
   describe('script.signature.decode', () => {
     sigCanonical.forEach(hex => {
-      const buffer = Buffer.from(hex, 'hex')
+      const buffer = Buffer.from(hex, 'hex');
 
       it('can parse ' + hex, () => {
-        const parsed = bitcoin.script.signature.decode(buffer)
+        const parsed = bitcoin.script.signature.decode(buffer);
-        const actual = bitcoin.script.signature.encode(parsed.signature, parsed.hashType)
+        const actual = bitcoin.script.signature.encode(
+          parsed.signature,
+          parsed.hashType,
+        );
 
-        assert.strictEqual(actual.toString('hex'), hex)
+        assert.strictEqual(actual.toString('hex'), hex);
-      })
+      });
-    })
+    });
 
     sigNoncanonical.forEach((hex, i) => {
-      if (i === 0) return
+      if (i === 0) return;
-      if (i % 2 !== 0) return
+      if (i % 2 !== 0) return;
 
-      const description = sigNoncanonical[i - 1].slice(0, -1)
+      const description = sigNoncanonical[i - 1].slice(0, -1);
-      const buffer = Buffer.from(hex, 'hex')
+      const buffer = Buffer.from(hex, 'hex');
 
       it('throws on ' + description, () => {
         assert.throws(() => {
-          bitcoin.script.signature.decode(buffer)
+          bitcoin.script.signature.decode(buffer);
-        }, /Expected DER (integer|sequence)|(R|S) value (excessively padded|is negative)|(R|S|DER sequence) length is (zero|too short|too long|invalid)|Invalid hashType/)
+        }, /Expected DER (integer|sequence)|(R|S) value (excessively padded|is negative)|(R|S|DER sequence) length is (zero|too short|too long|invalid)|Invalid hashType/);
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

test/block.spec.ts

@@ -1,157 +1,172 @@
-const { describe, it, beforeEach } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { beforeEach, describe, it } from 'mocha';
-const Block = require('..').Block
+import { Block } from '..';
 
-const fixtures = require('./fixtures/block')
+import * as fixtures from './fixtures/block.json';
 
 describe('Block', () => {
   describe('version', () => {
     it('should be interpreted as an int32le', () => {
-      const blockHex = 'ffffffff0000000000000000000000000000000000000000000000000000000000000000414141414141414141414141414141414141414141414141414141414141414101000000020000000300000000'
+      const blockHex =
-      const block = Block.fromHex(blockHex)
+        'ffffffff0000000000000000000000000000000000000000000000000000000000000000414141414141414141414141414141414141414141414141414141414141414101000000020000000300000000';
-      assert.strictEqual(-1, block.version)
+      const block = Block.fromHex(blockHex);
-      assert.strictEqual(1, block.timestamp)
+      assert.strictEqual(-1, block.version);
-    })
+      assert.strictEqual(1, block.timestamp);
-  })
+    });
+  });
 
   describe('calculateTarget', () => {
     fixtures.targets.forEach(f => {
       it('returns ' + f.expected + ' for 0x' + f.bits, () => {
-        const bits = parseInt(f.bits, 16)
+        const bits = parseInt(f.bits, 16);
 
-        assert.strictEqual(Block.calculateTarget(bits).toString('hex'), f.expected)
+        assert.strictEqual(
-      })
+          Block.calculateTarget(bits).toString('hex'),
-    })
+          f.expected,
-  })
+        );
+      });
+    });
+  });
 
   describe('fromBuffer/fromHex', () => {
     fixtures.valid.forEach(f => {
       it('imports ' + f.description, () => {
-        const block = Block.fromHex(f.hex)
+        const block = Block.fromHex(f.hex);
 
-        assert.strictEqual(block.version, f.version)
+        assert.strictEqual(block.version, f.version);
-        assert.strictEqual(block.prevHash.toString('hex'), f.prevHash)
+        assert.strictEqual(block.prevHash!.toString('hex'), f.prevHash);
-        assert.strictEqual(block.merkleRoot.toString('hex'), f.merkleRoot)
+        assert.strictEqual(block.merkleRoot!.toString('hex'), f.merkleRoot);
         if (block.witnessCommit) {
-          assert.strictEqual(block.witnessCommit.toString('hex'), f.witnessCommit)
+          assert.strictEqual(
+            block.witnessCommit.toString('hex'),
+            f.witnessCommit,
+          );
         }
-        assert.strictEqual(block.timestamp, f.timestamp)
+        assert.strictEqual(block.timestamp, f.timestamp);
-        assert.strictEqual(block.bits, f.bits)
+        assert.strictEqual(block.bits, f.bits);
-        assert.strictEqual(block.nonce, f.nonce)
+        assert.strictEqual(block.nonce, f.nonce);
-        assert.strictEqual(!block.transactions, f.hex.length === 160)
+        assert.strictEqual(!block.transactions, f.hex.length === 160);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.forEach(f => {
       it('throws on ' + f.exception, () => {
         assert.throws(() => {
-          Block.fromHex(f.hex)
+          Block.fromHex(f.hex);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('toBuffer/toHex', () => {
     fixtures.valid.forEach(f => {
-      let block
+      let block: Block;
 
       beforeEach(() => {
-        block = Block.fromHex(f.hex)
+        block = Block.fromHex(f.hex);
-      })
+      });
 
       it('exports ' + f.description, () => {
-        assert.strictEqual(block.toHex(true), f.hex.slice(0, 160))
+        assert.strictEqual(block.toHex(true), f.hex.slice(0, 160));
-        assert.strictEqual(block.toHex(), f.hex)
+        assert.strictEqual(block.toHex(), f.hex);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('getHash/getId', () => {
     fixtures.valid.forEach(f => {
-      let block
+      let block: Block;
 
       beforeEach(() => {
-        block = Block.fromHex(f.hex)
+        block = Block.fromHex(f.hex);
-      })
+      });
 
       it('returns ' + f.id + ' for ' + f.description, () => {
-        assert.strictEqual(block.getHash().toString('hex'), f.hash)
+        assert.strictEqual(block.getHash().toString('hex'), f.hash);
-        assert.strictEqual(block.getId(), f.id)
+        assert.strictEqual(block.getId(), f.id);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('getUTCDate', () => {
     fixtures.valid.forEach(f => {
-      let block
+      let block: Block;
 
       beforeEach(() => {
-        block = Block.fromHex(f.hex)
+        block = Block.fromHex(f.hex);
-      })
+      });
 
       it('returns UTC date of ' + f.id, () => {
-        const utcDate = block.getUTCDate().getTime()
+        const utcDate = block.getUTCDate().getTime();
 
-        assert.strictEqual(utcDate, f.timestamp * 1e3)
+        assert.strictEqual(utcDate, f.timestamp * 1e3);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('calculateMerkleRoot', () => {
     it('should throw on zero-length transaction array', () => {
       assert.throws(() => {
-        Block.calculateMerkleRoot([])
+        Block.calculateMerkleRoot([]);
-      }, /Cannot compute merkle root for zero transactions/)
+      }, /Cannot compute merkle root for zero transactions/);
-    })
+    });
 
     fixtures.valid.forEach(f => {
-      if (f.hex.length === 160) return
+      if (f.hex.length === 160) return;
 
-      let block
+      let block: Block;
 
       beforeEach(() => {
-        block = Block.fromHex(f.hex)
+        block = Block.fromHex(f.hex);
-      })
+      });
 
       it('returns ' + f.merkleRoot + ' for ' + f.id, () => {
-        assert.strictEqual(Block.calculateMerkleRoot(block.transactions).toString('hex'), f.merkleRoot)
+        assert.strictEqual(
-      })
+          Block.calculateMerkleRoot(block.transactions!).toString('hex'),
+          f.merkleRoot,
+        );
+      });
 
       if (f.witnessCommit) {
         it('returns witness commit ' + f.witnessCommit + ' for ' + f.id, () => {
-          assert.strictEqual(Block.calculateMerkleRoot(block.transactions, true).toString('hex'), f.witnessCommit)
+          assert.strictEqual(
-        })
+            Block.calculateMerkleRoot(block.transactions!, true).toString(
+              'hex',
+            ),
+            f.witnessCommit,
+          );
+        });
       }
-    })
+    });
-  })
+  });
 
   describe('checkTxRoots', () => {
     fixtures.valid.forEach(f => {
-      if (f.hex.length === 160) return
+      if (f.hex.length === 160) return;
 
-      let block
+      let block: Block;
 
       beforeEach(() => {
-        block = Block.fromHex(f.hex)
+        block = Block.fromHex(f.hex);
-      })
+      });
 
       it('returns ' + f.valid + ' for ' + f.id, () => {
-        assert.strictEqual(block.checkTxRoots(), true)
+        assert.strictEqual(block.checkTxRoots(), true);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('checkProofOfWork', () => {
     fixtures.valid.forEach(f => {
-      let block
+      let block: Block;
 
       beforeEach(() => {
-        block = Block.fromHex(f.hex)
+        block = Block.fromHex(f.hex);
-      })
+      });
 
       it('returns ' + f.valid + ' for ' + f.id, () => {
-        assert.strictEqual(block.checkProofOfWork(), f.valid)
+        assert.strictEqual(block.checkProofOfWork(), f.valid);
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

test/bufferutils.spec.ts

@@ -1,49 +1,49 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bufferutils = require('../src/bufferutils')
+import * as bufferutils from '../src/bufferutils';
 
-const fixtures = require('./fixtures/bufferutils.json')
+import * as fixtures from './fixtures/bufferutils.json';
 
 describe('bufferutils', () => {
   describe('readUInt64LE', () => {
     fixtures.valid.forEach(f => {
       it('decodes ' + f.hex, () => {
-        const buffer = Buffer.from(f.hex, 'hex')
+        const buffer = Buffer.from(f.hex, 'hex');
-        const number = bufferutils.readUInt64LE(buffer, 0)
+        const number = bufferutils.readUInt64LE(buffer, 0);
 
-        assert.strictEqual(number, f.dec)
+        assert.strictEqual(number, f.dec);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.readUInt64LE.forEach(f => {
       it('throws on ' + f.description, () => {
-        const buffer = Buffer.from(f.hex, 'hex')
+        const buffer = Buffer.from(f.hex, 'hex');
 
         assert.throws(() => {
-          bufferutils.readUInt64LE(buffer, 0)
+          bufferutils.readUInt64LE(buffer, 0);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('writeUInt64LE', () => {
     fixtures.valid.forEach(f => {
       it('encodes ' + f.dec, () => {
-        const buffer = Buffer.alloc(8, 0)
+        const buffer = Buffer.alloc(8, 0);
 
-        bufferutils.writeUInt64LE(buffer, f.dec, 0)
+        bufferutils.writeUInt64LE(buffer, f.dec, 0);
-        assert.strictEqual(buffer.toString('hex'), f.hex)
+        assert.strictEqual(buffer.toString('hex'), f.hex);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.readUInt64LE.forEach(f => {
       it('throws on ' + f.description, () => {
-        const buffer = Buffer.alloc(8, 0)
+        const buffer = Buffer.alloc(8, 0);
 
         assert.throws(() => {
-          bufferutils.writeUInt64LE(buffer, f.dec, 0)
+          bufferutils.writeUInt64LE(buffer, f.dec, 0);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

test/classify.spec.ts

@@ -1,18 +1,18 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bscript = require('../src/script')
+import * as bscript from '../src/script';
-const classify = require('../src/classify')
+import * as classify from '../src/classify';
 
-const fixtures = require('./fixtures/templates.json')
+import * as fixtures from './fixtures/templates.json';
 
-const multisig = require('../src/templates/multisig')
+import * as multisig from '../src/templates/multisig';
-const nullData = require('../src/templates/nulldata')
+import * as nullData from '../src/templates/nulldata';
-const pubKey = require('../src/templates/pubkey')
+import * as pubKey from '../src/templates/pubkey';
-const pubKeyHash = require('../src/templates/pubkeyhash')
+import * as pubKeyHash from '../src/templates/pubkeyhash';
-const scriptHash = require('../src/templates/scripthash')
+import * as scriptHash from '../src/templates/scripthash';
-const witnessPubKeyHash = require('../src/templates/witnesspubkeyhash')
+import * as witnessPubKeyHash from '../src/templates/witnesspubkeyhash';
-const witnessScriptHash = require('../src/templates/witnessscripthash')
+import * as witnessScriptHash from '../src/templates/witnessscripthash';
-const witnessCommitment = require('../src/templates/witnesscommitment')
+import * as witnessCommitment from '../src/templates/witnesscommitment';
 
 const tmap = {
   pubKey,
@@ -22,49 +22,48 @@ const tmap = {
   witnessScriptHash,
   multisig,
   nullData,
-  witnessCommitment
+  witnessCommitment,
-}
+};
 
 describe('classify', () => {
   describe('input', () => {
     fixtures.valid.forEach(f => {
-      if (!f.input) return
+      if (!f.input) return;
 
       it('classifies ' + f.input + ' as ' + f.type, () => {
-        const input = bscript.fromASM(f.input)
+        const input = bscript.fromASM(f.input);
-        const type = classify.input(input)
+        const type = classify.input(input);
 
-        assert.strictEqual(type, f.type)
+        assert.strictEqual(type, f.type);
-      })
+      });
-    })
+    });
 
     fixtures.valid.forEach(f => {
-      if (!f.input) return
+      if (!f.input) return;
-      if (!f.typeIncomplete) return
+      if (!f.typeIncomplete) return;
 
       it('classifies incomplete ' + f.input + ' as ' + f.typeIncomplete, () => {
-        const input = bscript.fromASM(f.input)
+        const input = bscript.fromASM(f.input);
-        const type = classify.input(input, true)
+        const type = classify.input(input, true);
 
-        assert.strictEqual(type, f.typeIncomplete)
+        assert.strictEqual(type, f.typeIncomplete);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('classifyOutput', () => {
     fixtures.valid.forEach(f => {
-      if (!f.output) return
+      if (!f.output) return;
 
       it('classifies ' + f.output + ' as ' + f.type, () => {
-        const output = bscript.fromASM(f.output)
+        const output = bscript.fromASM(f.output);
-        const type = classify.output(output)
+        const type = classify.output(output);
 
-        assert.strictEqual(type, f.type)
+        assert.strictEqual(type, f.type);
-      })
+      });
-    })
+    });
-  })
+  });
-
+  [
-  ;[
     'pubKey',
     'pubKeyHash',
     'scriptHash',
@@ -72,85 +71,110 @@ describe('classify', () => {
     'witnessScriptHash',
     'multisig',
     'nullData',
-    'witnessCommitment'
+    'witnessCommitment',
   ].forEach(name => {
-    const inputType = tmap[name].input
+    const inputType = (tmap as any)[name].input;
-    const outputType = tmap[name].output
+    const outputType = (tmap as any)[name].output;
 
     describe(name + '.input.check', () => {
       fixtures.valid.forEach(f => {
-        if (name.toLowerCase() === classify.types.P2WPKH) return
+        if (name.toLowerCase() === classify.types.P2WPKH) return;
-        if (name.toLowerCase() === classify.types.P2WSH) return
+        if (name.toLowerCase() === classify.types.P2WSH) return;
-        const expected = name.toLowerCase() === f.type.toLowerCase()
+        const expected = name.toLowerCase() === f.type.toLowerCase();
 
         if (inputType && f.input) {
-          const input = bscript.fromASM(f.input)
+          const input = bscript.fromASM(f.input);
 
           it('returns ' + expected + ' for ' + f.input, () => {
-            assert.strictEqual(inputType.check(input), expected)
+            assert.strictEqual(inputType.check(input), expected);
-          })
+          });
 
           if (f.typeIncomplete) {
-            const expectedIncomplete = name.toLowerCase() === f.typeIncomplete
+            const expectedIncomplete = name.toLowerCase() === f.typeIncomplete;
 
             it('returns ' + expected + ' for ' + f.input, () => {
-              assert.strictEqual(inputType.check(input, true), expectedIncomplete)
+              assert.strictEqual(
-            })
+                inputType.check(input, true),
+                expectedIncomplete,
+              );
+            });
           }
         }
-      })
+      });
 
-      if (!(fixtures.invalid[name])) return
+      if (!(fixtures.invalid as any)[name]) return;
 
-      fixtures.invalid[name].inputs.forEach(f => {
+      (fixtures.invalid as any)[name].inputs.forEach((f: any) => {
-        if (!f.input && !f.inputHex) return
+        if (!f.input && !f.inputHex) return;
 
-        it('returns false for ' + f.description + ' (' + (f.input || f.inputHex) + ')', () => {
+        it(
-          let input
+          'returns false for ' +
+            f.description +
+            ' (' +
+            (f.input || f.inputHex) +
+            ')',
+          () => {
+            let input;
 
-          if (f.input) {
+            if (f.input) {
-            input = bscript.fromASM(f.input)
+              input = bscript.fromASM(f.input);
-          } else {
+            } else {
-            input = Buffer.from(f.inputHex, 'hex')
+              input = Buffer.from(f.inputHex, 'hex');
-          }
+            }
 
-          assert.strictEqual(inputType.check(input), false)
+            assert.strictEqual(inputType.check(input), false);
-        })
+          },
-      })
+        );
-    })
+      });
+    });
 
     describe(name + '.output.check', () => {
       fixtures.valid.forEach(f => {
-        const expected = name.toLowerCase() === f.type
+        const expected = name.toLowerCase() === f.type;
 
         if (outputType && f.output) {
           it('returns ' + expected + ' for ' + f.output, () => {
-            const output = bscript.fromASM(f.output)
+            const output = bscript.fromASM(f.output);
 
-            if (name.toLowerCase() === 'nulldata' && f.type === classify.types.WITNESS_COMMITMENT) return
+            if (
-            if (name.toLowerCase() === 'witnesscommitment' && f.type === classify.types.NULLDATA) return
+              name.toLowerCase() === 'nulldata' &&
-            assert.strictEqual(outputType.check(output), expected)
+              f.type === classify.types.WITNESS_COMMITMENT
-          })
+            )
+              return;
+            if (
+              name.toLowerCase() === 'witnesscommitment' &&
+              f.type === classify.types.NULLDATA
+            )
+              return;
+            assert.strictEqual(outputType.check(output), expected);
+          });
         }
-      })
+      });
 
-      if (!(fixtures.invalid[name])) return
+      if (!(fixtures.invalid as any)[name]) return;
 
-      fixtures.invalid[name].outputs.forEach(f => {
+      (fixtures.invalid as any)[name].outputs.forEach((f: any) => {
-        if (!f.output && !f.outputHex) return
+        if (!f.output && !f.outputHex) return;
 
-        it('returns false for ' + f.description + ' (' + (f.output || f.outputHex) + ')', () => {
+        it(
-          let output
+          'returns false for ' +
+            f.description +
+            ' (' +
+            (f.output || f.outputHex) +
+            ')',
+          () => {
+            let output;
 
-          if (f.output) {
+            if (f.output) {
-            output = bscript.fromASM(f.output)
+              output = bscript.fromASM(f.output);
-          } else {
+            } else {
-            output = Buffer.from(f.outputHex, 'hex')
+              output = Buffer.from(f.outputHex, 'hex');
-          }
+            }
 
-          assert.strictEqual(outputType.check(output), false)
+            assert.strictEqual(outputType.check(output), false);
-        })
+          },
-      })
+        );
-    })
+      });
-  })
+    });
-})
+  });
+});

test/crypto.spec.ts

@@ -1,23 +1,22 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bcrypto = require('../src/crypto')
+import { crypto as bcrypto } from '..';
-
+import * as fixtures from './fixtures/crypto.json';
-const fixtures = require('./fixtures/crypto')
 
 describe('crypto', () => {
   ['hash160', 'hash256', 'ripemd160', 'sha1', 'sha256'].forEach(algorithm => {
     describe(algorithm, () => {
       fixtures.forEach(f => {
-        const fn = bcrypto[algorithm]
+        const fn = (bcrypto as any)[algorithm];
-        const expected = f[algorithm]
+        const expected = (f as any)[algorithm];
 
         it('returns ' + expected + ' for ' + f.hex, () => {
-          const data = Buffer.from(f.hex, 'hex')
+          const data = Buffer.from(f.hex, 'hex');
-          const actual = fn(data).toString('hex')
+          const actual = fn(data).toString('hex');
 
-          assert.strictEqual(actual, expected)
+          assert.strictEqual(actual, expected);
-        })
+        });
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

test/ecpair.spec.ts

@@ -1,284 +1,334 @@
-const { describe, it, beforeEach } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { beforeEach, describe, it } from 'mocha';
-const proxyquire = require('proxyquire')
+import * as proxyquire from 'proxyquire';
-const hoodwink = require('hoodwink')
+import { ECPair, ECPairInterface, networks as NETWORKS } from '..';
+import * as fixtures from './fixtures/ecpair.json';
+const hoodwink = require('hoodwink');
+const tinysecp = require('tiny-secp256k1');
 
-const ECPair = require('../src/ecpair')
+const NETWORKS_LIST = Object.values(NETWORKS);
-const tinysecp = require('tiny-secp256k1')
+const ZERO = Buffer.alloc(32, 0);
-
+const ONE = Buffer.from(
-const fixtures = require('./fixtures/ecpair.json')
+  '0000000000000000000000000000000000000000000000000000000000000001',
-
+  'hex',
-const NETWORKS = require('../src/networks')
+);
-const NETWORKS_LIST = [] // Object.values(NETWORKS)
+const GROUP_ORDER = Buffer.from(
-for (let networkName in NETWORKS) {
+  'fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141',
-  NETWORKS_LIST.push(NETWORKS[networkName])
+  'hex',
-}
+);
-
+const GROUP_ORDER_LESS_1 = Buffer.from(
-const ZERO = Buffer.alloc(32, 0)
+  'fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140',
-const ONE = Buffer.from('0000000000000000000000000000000000000000000000000000000000000001', 'hex')
+  'hex',
-const GROUP_ORDER = Buffer.from('fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364141', 'hex')
+);
-const GROUP_ORDER_LESS_1 = Buffer.from('fffffffffffffffffffffffffffffffebaaedce6af48a03bbfd25e8cd0364140', 'hex')
 
 describe('ECPair', () => {
   describe('getPublicKey', () => {
-    let keyPair
+    let keyPair: ECPairInterface;
 
     beforeEach(() => {
-      keyPair = ECPair.fromPrivateKey(ONE)
+      keyPair = ECPair.fromPrivateKey(ONE);
-    })
+    });
 
-    it('calls pointFromScalar lazily', hoodwink(() => {
+    it(
-      assert.strictEqual(keyPair.__Q, undefined)
+      'calls pointFromScalar lazily',
+      hoodwink(() => {
+        assert.strictEqual((keyPair as any).__Q, undefined);
 
-      // .publicKey forces the memoization
+        // .publicKey forces the memoization
-      assert.strictEqual(keyPair.publicKey.toString('hex'), '0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798')
+        assert.strictEqual(
-      assert.strictEqual(keyPair.__Q.toString('hex'), '0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798')
+          keyPair.publicKey.toString('hex'),
-    }))
+          '0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
-  })
+        );
+        assert.strictEqual(
+          (keyPair as any).__Q.toString('hex'),
+          '0279be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d959f2815b16f81798',
+        );
+      }),
+    );
+  });
 
   describe('fromPrivateKey', () => {
     it('defaults to compressed', () => {
-      const keyPair = ECPair.fromPrivateKey(ONE)
+      const keyPair = ECPair.fromPrivateKey(ONE);
 
-      assert.strictEqual(keyPair.compressed, true)
+      assert.strictEqual(keyPair.compressed, true);
-    })
+    });
 
     it('supports the uncompressed option', () => {
       const keyPair = ECPair.fromPrivateKey(ONE, {
-        compressed: false
+        compressed: false,
-      })
+      });
 
-      assert.strictEqual(keyPair.compressed, false)
+      assert.strictEqual(keyPair.compressed, false);
-    })
+    });
 
     it('supports the network option', () => {
       const keyPair = ECPair.fromPrivateKey(ONE, {
         compressed: false,
-        network: NETWORKS.testnet
+        network: NETWORKS.testnet,
-      })
+      });
 
-      assert.strictEqual(keyPair.network, NETWORKS.testnet)
+      assert.strictEqual(keyPair.network, NETWORKS.testnet);
-    })
+    });
 
     fixtures.valid.forEach(f => {
       it('derives public key for ' + f.WIF, () => {
-        const d = Buffer.from(f.d, 'hex')
+        const d = Buffer.from(f.d, 'hex');
         const keyPair = ECPair.fromPrivateKey(d, {
-          compressed: f.compressed
+          compressed: f.compressed,
-        })
+        });
 
-        assert.strictEqual(keyPair.publicKey.toString('hex'), f.Q)
+        assert.strictEqual(keyPair.publicKey.toString('hex'), f.Q);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.fromPrivateKey.forEach(f => {
       it('throws ' + f.exception, () => {
-        const d = Buffer.from(f.d, 'hex')
+        const d = Buffer.from(f.d, 'hex');
         assert.throws(() => {
-          ECPair.fromPrivateKey(d, f.options)
+          ECPair.fromPrivateKey(d, (f as any).options);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('fromPublicKey', () => {
     fixtures.invalid.fromPublicKey.forEach(f => {
       it('throws ' + f.exception, () => {
-        const Q = Buffer.from(f.Q, 'hex')
+        const Q = Buffer.from(f.Q, 'hex');
         assert.throws(() => {
-          ECPair.fromPublicKey(Q, f.options)
+          ECPair.fromPublicKey(Q, (f as any).options);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('fromWIF', () => {
     fixtures.valid.forEach(f => {
       it('imports ' + f.WIF + ' (' + f.network + ')', () => {
-        const network = NETWORKS[f.network]
+        const network = (NETWORKS as any)[f.network];
-        const keyPair = ECPair.fromWIF(f.WIF, network)
+        const keyPair = ECPair.fromWIF(f.WIF, network);
 
-        assert.strictEqual(keyPair.privateKey.toString('hex'), f.d)
+        assert.strictEqual(keyPair.privateKey!.toString('hex'), f.d);
-        assert.strictEqual(keyPair.compressed, f.compressed)
+        assert.strictEqual(keyPair.compressed, f.compressed);
-        assert.strictEqual(keyPair.network, network)
+        assert.strictEqual(keyPair.network, network);
-      })
+      });
-    })
+    });
 
     fixtures.valid.forEach(f => {
       it('imports ' + f.WIF + ' (via list of networks)', () => {
-        const keyPair = ECPair.fromWIF(f.WIF, NETWORKS_LIST)
+        const keyPair = ECPair.fromWIF(f.WIF, NETWORKS_LIST);
 
-        assert.strictEqual(keyPair.privateKey.toString('hex'), f.d)
+        assert.strictEqual(keyPair.privateKey!.toString('hex'), f.d);
-        assert.strictEqual(keyPair.compressed, f.compressed)
+        assert.strictEqual(keyPair.compressed, f.compressed);
-        assert.strictEqual(keyPair.network, NETWORKS[f.network])
+        assert.strictEqual(keyPair.network, (NETWORKS as any)[f.network]);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.fromWIF.forEach(f => {
       it('throws on ' + f.WIF, () => {
         assert.throws(() => {
-          const networks = f.network ? NETWORKS[f.network] : NETWORKS_LIST
+          const networks = f.network
+            ? (NETWORKS as any)[f.network]
+            : NETWORKS_LIST;
 
-          ECPair.fromWIF(f.WIF, networks)
+          ECPair.fromWIF(f.WIF, networks);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('toWIF', () => {
     fixtures.valid.forEach(f => {
       it('exports ' + f.WIF, () => {
-        const keyPair = ECPair.fromWIF(f.WIF, NETWORKS_LIST)
+        const keyPair = ECPair.fromWIF(f.WIF, NETWORKS_LIST);
-        const result = keyPair.toWIF()
+        const result = keyPair.toWIF();
-        assert.strictEqual(result, f.WIF)
+        assert.strictEqual(result, f.WIF);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('makeRandom', () => {
-    const d = Buffer.alloc(32, 4)
+    const d = Buffer.alloc(32, 4);
-    const exWIF = 'KwMWvwRJeFqxYyhZgNwYuYjbQENDAPAudQx5VEmKJrUZcq6aL2pv'
+    const exWIF = 'KwMWvwRJeFqxYyhZgNwYuYjbQENDAPAudQx5VEmKJrUZcq6aL2pv';
 
     describe('uses randombytes RNG', () => {
       it('generates a ECPair', () => {
-        const stub = { randombytes: () => { return d } }
+        const stub = {
-        const ProxiedECPair = proxyquire('../src/ecpair', stub)
+          randombytes: (): Buffer => {
+            return d;
+          },
+        };
+        const ProxiedECPair = proxyquire('../src/ecpair', stub);
 
-        const keyPair = ProxiedECPair.makeRandom()
+        const keyPair = ProxiedECPair.makeRandom();
-        assert.strictEqual(keyPair.toWIF(), exWIF)
+        assert.strictEqual(keyPair.toWIF(), exWIF);
-      })
+      });
-    })
+    });
 
     it('allows a custom RNG to be used', () => {
       const keyPair = ECPair.makeRandom({
-        rng: size => { return d.slice(0, size) }
+        rng: (size): Buffer => {
-      })
+          return d.slice(0, size);
+        },
+      });
 
-      assert.strictEqual(keyPair.toWIF(), exWIF)
+      assert.strictEqual(keyPair.toWIF(), exWIF);
-    })
+    });
 
     it('retains the same defaults as ECPair constructor', () => {
-      const keyPair = ECPair.makeRandom()
+      const keyPair = ECPair.makeRandom();
 
-      assert.strictEqual(keyPair.compressed, true)
+      assert.strictEqual(keyPair.compressed, true);
-      assert.strictEqual(keyPair.network, NETWORKS.bitcoin)
+      assert.strictEqual(keyPair.network, NETWORKS.bitcoin);
-    })
+    });
 
     it('supports the options parameter', () => {
       const keyPair = ECPair.makeRandom({
         compressed: false,
-        network: NETWORKS.testnet
+        network: NETWORKS.testnet,
-      })
+      });
 
-      assert.strictEqual(keyPair.compressed, false)
+      assert.strictEqual(keyPair.compressed, false);
-      assert.strictEqual(keyPair.network, NETWORKS.testnet)
+      assert.strictEqual(keyPair.network, NETWORKS.testnet);
-    })
+    });
 
     it('throws if d is bad length', () => {
-      function rng () {
+      function rng(): Buffer {
-        return Buffer.alloc(28)
+        return Buffer.alloc(28);
       }
 
       assert.throws(() => {
-        ECPair.makeRandom({ rng: rng })
+        ECPair.makeRandom({ rng });
-      }, /Expected Buffer\(Length: 32\), got Buffer\(Length: 28\)/)
+      }, /Expected Buffer\(Length: 32\), got Buffer\(Length: 28\)/);
-    })
+    });
 
-    it('loops until d is within interval [1, n) : 1', hoodwink(function () {
+    it(
-      const rng = this.stub(() => {
+      'loops until d is within interval [1, n) : 1',
-        if (rng.calls === 0) return ZERO // 0
+      hoodwink(function(this: any): void {
-        return ONE // >0
+        const rng = this.stub(() => {
-      }, 2)
+          if (rng.calls === 0) return ZERO; // 0
+          return ONE; // >0
+        }, 2);
 
-      ECPair.makeRandom({ rng: rng })
+        ECPair.makeRandom({ rng });
-    }))
+      }),
+    );
 
-    it('loops until d is within interval [1, n) : n - 1', hoodwink(function () {
+    it(
-      const rng = this.stub(() => {
+      'loops until d is within interval [1, n) : n - 1',
-        if (rng.calls === 0) return ZERO // <1
+      hoodwink(function(this: any): void {
-        if (rng.calls === 1) return GROUP_ORDER // >n-1
+        const rng = this.stub(() => {
-        return GROUP_ORDER_LESS_1 // n-1
+          if (rng.calls === 0) return ZERO; // <1
-      }, 3)
+          if (rng.calls === 1) return GROUP_ORDER; // >n-1
+          return GROUP_ORDER_LESS_1; // n-1
+        }, 3);
 
-      ECPair.makeRandom({ rng: rng })
+        ECPair.makeRandom({ rng });
-    }))
+      }),
-  })
+    );
+  });
 
   describe('.network', () => {
     fixtures.valid.forEach(f => {
       it('returns ' + f.network + ' for ' + f.WIF, () => {
-        const network = NETWORKS[f.network]
+        const network = (NETWORKS as any)[f.network];
-        const keyPair = ECPair.fromWIF(f.WIF, NETWORKS_LIST)
+        const keyPair = ECPair.fromWIF(f.WIF, NETWORKS_LIST);
 
-        assert.strictEqual(keyPair.network, network)
+        assert.strictEqual(keyPair.network, network);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('tinysecp wrappers', () => {
-    let keyPair
+    let keyPair: ECPairInterface;
-    let hash
+    let hash: Buffer;
-    let signature
+    let signature: Buffer;
 
     beforeEach(() => {
-      keyPair = ECPair.makeRandom()
+      keyPair = ECPair.makeRandom();
-      hash = ZERO
+      hash = ZERO;
-      signature = Buffer.alloc(64, 1)
+      signature = Buffer.alloc(64, 1);
-    })
+    });
 
     describe('signing', () => {
-      it('wraps tinysecp.sign', hoodwink(function () {
+      it(
-        this.mock(tinysecp, 'sign', (h, d) => {
+        'wraps tinysecp.sign',
-          assert.strictEqual(h, hash)
+        hoodwink(function(this: any): void {
-          assert.strictEqual(d, keyPair.privateKey)
+          this.mock(
-          return signature
+            tinysecp,
-        }, 1)
+            'sign',
+            (h: any, d: any) => {
+              assert.strictEqual(h, hash);
+              assert.strictEqual(d, keyPair.privateKey);
+              return signature;
+            },
+            1,
+          );
 
-        assert.strictEqual(keyPair.sign(hash), signature)
+          assert.strictEqual(keyPair.sign(hash), signature);
-      }))
+        }),
+      );
 
       it('throws if no private key is found', () => {
-        delete keyPair.__D
+        delete (keyPair as any).__D;
 
         assert.throws(() => {
-          keyPair.sign(hash)
+          keyPair.sign(hash);
-        }, /Missing private key/)
+        }, /Missing private key/);
-      })
+      });
-    })
+    });
 
     describe('verify', () => {
-      it('wraps tinysecp.verify', hoodwink(function () {
+      it(
-        this.mock(tinysecp, 'verify', (h, q, s) => {
+        'wraps tinysecp.verify',
-          assert.strictEqual(h, hash)
+        hoodwink(function(this: any): void {
-          assert.strictEqual(q, keyPair.publicKey)
+          this.mock(
-          assert.strictEqual(s, signature)
+            tinysecp,
-          return true
+            'verify',
-        }, 1)
+            (h: any, q: any, s: any) => {
+              assert.strictEqual(h, hash);
+              assert.strictEqual(q, keyPair.publicKey);
+              assert.strictEqual(s, signature);
+              return true;
+            },
+            1,
+          );
 
-        assert.strictEqual(keyPair.verify(hash, signature), true)
+          assert.strictEqual(keyPair.verify(hash, signature), true);
-      }))
+        }),
-    })
+      );
-  })
+    });
+  });
   describe('optional low R signing', () => {
-    const sig = Buffer.from('95a6619140fca3366f1d3b013b0367c4f86e39508a50fdce' +
+    const sig = Buffer.from(
-      'e5245fbb8bd60aa6086449e28cf15387cf9f85100bfd0838624ca96759e59f65c10a00' +
+      '95a6619140fca3366f1d3b013b0367c4f86e39508a50fdce' +
-      '16b86f5229', 'hex')
+        'e5245fbb8bd60aa6086449e28cf15387cf9f85100bfd0838624ca96759e59f65c10a00' +
-    const sigLowR = Buffer.from('6a2660c226e8055afad317eeba918a304be79208d505' +
+        '16b86f5229',
-      '3bc5ea4a5e4c5892b4a061c717c5284ae5202d721c0e49b4717b79966280906b1d3b52' +
+      'hex',
-      '95d1fdde963c35', 'hex')
+    );
-    const lowRKeyPair = ECPair.fromWIF('L3nThUzbAwpUiBAjR5zCu66ybXSPMr2zZ3ikp' +
+    const sigLowR = Buffer.from(
-      'ScpTPiYTxBynfZu')
+      '6a2660c226e8055afad317eeba918a304be79208d505' +
-    const dataToSign = Buffer.from('b6c5c548a7f6164c8aa7af5350901626ebd69f9ae' +
+        '3bc5ea4a5e4c5892b4a061c717c5284ae5202d721c0e49b4717b79966280906b1d3b52' +
-      '2c1ecf8871f5088ec204cfe', 'hex')
+        '95d1fdde963c35',
+      'hex',
+    );
+    const lowRKeyPair = ECPair.fromWIF(
+      'L3nThUzbAwpUiBAjR5zCu66ybXSPMr2zZ3ikp' + 'ScpTPiYTxBynfZu',
+    );
+    const dataToSign = Buffer.from(
+      'b6c5c548a7f6164c8aa7af5350901626ebd69f9ae' + '2c1ecf8871f5088ec204cfe',
+      'hex',
+    );
 
     it('signs with normal R by default', () => {
-      const signed = lowRKeyPair.sign(dataToSign)
+      const signed = lowRKeyPair.sign(dataToSign);
-      assert.deepStrictEqual(sig, signed)
+      assert.deepStrictEqual(sig, signed);
-    })
+    });
 
     it('signs with low R when true is passed', () => {
-      const signed = lowRKeyPair.sign(dataToSign, true)
+      const signed = lowRKeyPair.sign(dataToSign, true);
-      assert.deepStrictEqual(sigLowR, signed)
+      assert.deepStrictEqual(sigLowR, signed);
-    })
+    });
-  })
+  });
-})
+});

test/integration/_regtest.spec.ts

@@ -1,8 +0,0 @@
-const { RegtestUtils } = require('regtest-client')
-
-const APIPASS = process.env.APIPASS || 'satoshi'
-const APIURL = process.env.APIURL || 'https://regtest.bitbank.cc/1'
-
-const regtestUtils = new RegtestUtils({ APIPASS, APIURL })
-
-module.exports = regtestUtils;

test/integration/_regtest.ts

@@ -0,0 +1,6 @@
+import { RegtestUtils } from 'regtest-client';
+
+const APIPASS = process.env.APIPASS || 'satoshi';
+const APIURL = process.env.APIURL || 'https://regtest.bitbank.cc/1';
+
+export const regtestUtils = new RegtestUtils({ APIPASS, APIURL });

test/integration/addresses.spec.ts

@@ -1,117 +1,137 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bitcoin = require('../../')
+import * as bitcoin from '../..';
-const dhttp = require('./_regtest').dhttp
+import { regtestUtils } from './_regtest';
-const TESTNET = bitcoin.networks.testnet
+const dhttp = regtestUtils.dhttp;
+const TESTNET = bitcoin.networks.testnet;
 
 describe('bitcoinjs-lib (addresses)', () => {
   it('can generate a random address [and support the retrieval of transactions for that address (via 3PBP)', async () => {
-    const keyPair = bitcoin.ECPair.makeRandom()
+    const keyPair = bitcoin.ECPair.makeRandom();
-    const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey })
+    const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey });
 
     // bitcoin P2PKH addresses start with a '1'
-    assert.strictEqual(address.startsWith('1'), true)
+    assert.strictEqual(address!.startsWith('1'), true);
 
     const result = await dhttp({
       method: 'GET',
-      url: 'https://blockchain.info/rawaddr/' + address
+      url: 'https://blockchain.info/rawaddr/' + address,
-    })
+    });
 
     // random private keys [probably!] have no transactions
-    assert.strictEqual(result.n_tx, 0)
+    assert.strictEqual((result as any).n_tx, 0);
-    assert.strictEqual(result.total_received, 0)
+    assert.strictEqual((result as any).total_received, 0);
-    assert.strictEqual(result.total_sent, 0)
+    assert.strictEqual((result as any).total_sent, 0);
-  })
+  });
 
   it('can import an address via WIF', () => {
-    const keyPair = bitcoin.ECPair.fromWIF('KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn')
+    const keyPair = bitcoin.ECPair.fromWIF(
-    const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey })
+      'KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn',
+    );
+    const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey });
 
-    assert.strictEqual(address, '1BgGZ9tcN4rm9KBzDn7KprQz87SZ26SAMH')
+    assert.strictEqual(address, '1BgGZ9tcN4rm9KBzDn7KprQz87SZ26SAMH');
-  })
+  });
 
   it('can generate a P2SH, pay-to-multisig (2-of-3) address', () => {
     const pubkeys = [
       '026477115981fe981a6918a6297d9803c4dc04f328f22041bedff886bbc2962e01',
       '02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9',
-      '03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9'
+      '03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9',
-    ].map((hex) => Buffer.from(hex, 'hex'))
+    ].map(hex => Buffer.from(hex, 'hex'));
     const { address } = bitcoin.payments.p2sh({
-      redeem: bitcoin.payments.p2ms({ m: 2, pubkeys })
+      redeem: bitcoin.payments.p2ms({ m: 2, pubkeys }),
-    })
+    });
 
-    assert.strictEqual(address, '36NUkt6FWUi3LAWBqWRdDmdTWbt91Yvfu7')
+    assert.strictEqual(address, '36NUkt6FWUi3LAWBqWRdDmdTWbt91Yvfu7');
-  })
+  });
 
   it('can generate a SegWit address', () => {
-    const keyPair = bitcoin.ECPair.fromWIF('KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn')
+    const keyPair = bitcoin.ECPair.fromWIF(
-    const { address } = bitcoin.payments.p2wpkh({ pubkey: keyPair.publicKey })
+      'KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn',
+    );
+    const { address } = bitcoin.payments.p2wpkh({ pubkey: keyPair.publicKey });
 
-    assert.strictEqual(address, 'bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4')
+    assert.strictEqual(address, 'bc1qw508d6qejxtdg4y5r3zarvary0c5xw7kv8f3t4');
-  })
+  });
 
   it('can generate a SegWit address (via P2SH)', () => {
-    const keyPair = bitcoin.ECPair.fromWIF('KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn')
+    const keyPair = bitcoin.ECPair.fromWIF(
+      'KwDiBf89QgGbjEhKnhXJuH7LrciVrZi3qYjgd9M7rFU73sVHnoWn',
+    );
     const { address } = bitcoin.payments.p2sh({
-      redeem: bitcoin.payments.p2wpkh({ pubkey: keyPair.publicKey })
+      redeem: bitcoin.payments.p2wpkh({ pubkey: keyPair.publicKey }),
-    })
+    });
 
-    assert.strictEqual(address, '3JvL6Ymt8MVWiCNHC7oWU6nLeHNJKLZGLN')
+    assert.strictEqual(address, '3JvL6Ymt8MVWiCNHC7oWU6nLeHNJKLZGLN');
-  })
+  });
 
   it('can generate a P2WSH (SegWit), pay-to-multisig (3-of-4) address', () => {
     const pubkeys = [
       '026477115981fe981a6918a6297d9803c4dc04f328f22041bedff886bbc2962e01',
       '02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9',
       '023e4740d0ba639e28963f3476157b7cf2fb7c6fdf4254f97099cf8670b505ea59',
-      '03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9'
+      '03c6103b3b83e4a24a0e33a4df246ef11772f9992663db0c35759a5e2ebf68d8e9',
-    ].map((hex) => Buffer.from(hex, 'hex'))
+    ].map(hex => Buffer.from(hex, 'hex'));
     const { address } = bitcoin.payments.p2wsh({
-      redeem: bitcoin.payments.p2ms({ m: 3, pubkeys })
+      redeem: bitcoin.payments.p2ms({ m: 3, pubkeys }),
-    })
+    });
 
-    assert.strictEqual(address, 'bc1q75f6dv4q8ug7zhujrsp5t0hzf33lllnr3fe7e2pra3v24mzl8rrqtp3qul')
+    assert.strictEqual(
-  })
+      address,
+      'bc1q75f6dv4q8ug7zhujrsp5t0hzf33lllnr3fe7e2pra3v24mzl8rrqtp3qul',
+    );
+  });
 
   it('can generate a P2SH(P2WSH(...)), pay-to-multisig (2-of-2) address', () => {
     const pubkeys = [
       '026477115981fe981a6918a6297d9803c4dc04f328f22041bedff886bbc2962e01',
-      '02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9'
+      '02c96db2302d19b43d4c69368babace7854cc84eb9e061cde51cfa77ca4a22b8b9',
-    ].map((hex) => Buffer.from(hex, 'hex'))
+    ].map(hex => Buffer.from(hex, 'hex'));
     const { address } = bitcoin.payments.p2sh({
       redeem: bitcoin.payments.p2wsh({
-        redeem: bitcoin.payments.p2ms({ m: 2, pubkeys })
+        redeem: bitcoin.payments.p2ms({ m: 2, pubkeys }),
-      })
+      }),
-    })
+    });
 
-    assert.strictEqual(address, '3P4mrxQfmExfhxqjLnR2Ah4WES5EB1KBrN')
+    assert.strictEqual(address, '3P4mrxQfmExfhxqjLnR2Ah4WES5EB1KBrN');
-  })
+  });
 
   // examples using other network information
   it('can generate a Testnet address', () => {
-    const keyPair = bitcoin.ECPair.makeRandom({ network: TESTNET })
+    const keyPair = bitcoin.ECPair.makeRandom({ network: TESTNET });
-    const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey, network: TESTNET })
+    const { address } = bitcoin.payments.p2pkh({
+      pubkey: keyPair.publicKey,
+      network: TESTNET,
+    });
 
     // bitcoin testnet P2PKH addresses start with a 'm' or 'n'
-    assert.strictEqual(address.startsWith('m') || address.startsWith('n'), true)
+    assert.strictEqual(
-  })
+      address!.startsWith('m') || address!.startsWith('n'),
+      true,
+    );
+  });
 
   it('can generate a Litecoin address', () => {
     // WARNING: although possible, bitcoinjs is NOT necessarily compatible with Litecoin
     const LITECOIN = {
       messagePrefix: '\x19Litecoin Signed Message:\n',
+      bech32: 'ltc',
       bip32: {
         public: 0x019da462,
-        private: 0x019d9cfe
+        private: 0x019d9cfe,
       },
       pubKeyHash: 0x30,
       scriptHash: 0x32,
-      wif: 0xb0
+      wif: 0xb0,
-    }
+    };
 
-    const keyPair = bitcoin.ECPair.makeRandom({ network: LITECOIN })
+    const keyPair = bitcoin.ECPair.makeRandom({ network: LITECOIN });
-    const { address } = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey, network: LITECOIN })
+    const { address } = bitcoin.payments.p2pkh({
+      pubkey: keyPair.publicKey,
+      network: LITECOIN,
+    });
 
-    assert.strictEqual(address.startsWith('L'), true)
+    assert.strictEqual(address!.startsWith('L'), true);
-  })
+  });
-})
+});

test/integration/bip32.spec.ts

@@ -1,101 +1,151 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bip32 = require('bip32')
+import * as bip32 from 'bip32';
-const bip39 = require('bip39')
+import * as bip39 from 'bip39';
-const bitcoin = require('../../')
+import * as bitcoin from '../..';
 
-function getAddress (node, network) {
+function getAddress(node: any, network?: any): string {
-  return bitcoin.payments.p2pkh({ pubkey: node.publicKey, network }).address
+  return bitcoin.payments.p2pkh({ pubkey: node.publicKey, network }).address!;
 }
 
 describe('bitcoinjs-lib (BIP32)', () => {
   it('can import a BIP32 testnet xpriv and export to WIF', () => {
-    const xpriv = 'tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK'
+    const xpriv =
-    const node = bip32.fromBase58(xpriv, bitcoin.networks.testnet)
+      'tprv8ZgxMBicQKsPd7Uf69XL1XwhmjHopUGep8GuEiJDZmbQz6o58LninorQAfcKZWARbtRtfnLcJ5MQ2AtHcQJCCRUcMRvmDUjyEmNUWwx8UbK';
+    const node = bip32.fromBase58(xpriv, bitcoin.networks.testnet);
 
-    assert.strictEqual(node.toWIF(), 'cQfoY67cetFNunmBUX5wJiw3VNoYx3gG9U9CAofKE6BfiV1fSRw7')
+    assert.strictEqual(
-  })
+      node.toWIF(),
+      'cQfoY67cetFNunmBUX5wJiw3VNoYx3gG9U9CAofKE6BfiV1fSRw7',
+    );
+  });
 
   it('can export a BIP32 xpriv, then import it', () => {
-    const mnemonic = 'praise you muffin lion enable neck grocery crumble super myself license ghost'
+    const mnemonic =
-    const seed = bip39.mnemonicToSeed(mnemonic)
+      'praise you muffin lion enable neck grocery crumble super myself license ghost';
-    const node = bip32.fromSeed(seed)
+    const seed = bip39.mnemonicToSeedSync(mnemonic);
-    const string = node.toBase58()
+    const node = bip32.fromSeed(seed);
-    const restored = bip32.fromBase58(string)
+    const string = node.toBase58();
+    const restored = bip32.fromBase58(string);
 
-    assert.strictEqual(getAddress(node), getAddress(restored)) // same public key
+    assert.strictEqual(getAddress(node), getAddress(restored)); // same public key
-    assert.strictEqual(node.toWIF(), restored.toWIF()) // same private key
+    assert.strictEqual(node.toWIF(), restored.toWIF()); // same private key
-  })
+  });
 
   it('can export a BIP32 xpub', () => {
-    const mnemonic = 'praise you muffin lion enable neck grocery crumble super myself license ghost'
+    const mnemonic =
-    const seed = bip39.mnemonicToSeed(mnemonic)
+      'praise you muffin lion enable neck grocery crumble super myself license ghost';
-    const node = bip32.fromSeed(seed)
+    const seed = bip39.mnemonicToSeedSync(mnemonic);
-    const string = node.neutered().toBase58()
+    const node = bip32.fromSeed(seed);
+    const string = node.neutered().toBase58();
 
-    assert.strictEqual(string, 'xpub661MyMwAqRbcGhVeaVfEBA25e3cP9DsJQZoE8iep5fZSxy3TnPBNBgWnMZx56oreNc48ZoTkQfatNJ9VWnQ7ZcLZcVStpaXLTeG8bGrzX3n')
+    assert.strictEqual(
-  })
+      string,
+      'xpub661MyMwAqRbcGhVeaVfEBA25e3cP9DsJQZoE8iep5fZSxy3TnPBNBgWnMZx56oreNc48ZoTkQfatNJ9VWnQ7ZcLZcVStpaXLTeG8bGrzX3n',
+    );
+  });
 
   it('can create a BIP32, bitcoin, account 0, external address', () => {
-    const path = "m/0'/0/0"
+    const path = "m/0'/0/0";
-    const root = bip32.fromSeed(Buffer.from('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'))
+    const root = bip32.fromSeed(
+      Buffer.from(
+        'dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd',
+        'hex',
+      ),
+    );
 
-    const child1 = root.derivePath(path)
+    const child1 = root.derivePath(path);
 
     // option 2, manually
-    const child1b = root.deriveHardened(0)
+    const child1b = root
-      .derive(0)
+      .deriveHardened(0)
       .derive(0)
+      .derive(0);
 
-    assert.strictEqual(getAddress(child1), '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7')
+    assert.strictEqual(
-    assert.strictEqual(getAddress(child1b), '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7')
+      getAddress(child1),
-  })
+      '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7',
+    );
+    assert.strictEqual(
+      getAddress(child1b),
+      '1JHyB1oPXufr4FXkfitsjgNB5yRY9jAaa7',
+    );
+  });
 
   it('can create a BIP44, bitcoin, account 0, external address', () => {
-    const root = bip32.fromSeed(Buffer.from('dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd', 'hex'))
+    const root = bip32.fromSeed(
+      Buffer.from(
+        'dddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddddd',
+        'hex',
+      ),
+    );
 
-    const child1 = root.derivePath("m/44'/0'/0'/0/0")
+    const child1 = root.derivePath("m/44'/0'/0'/0/0");
 
     // option 2, manually
-    const child1b = root.deriveHardened(44)
+    const child1b = root
+      .deriveHardened(44)
       .deriveHardened(0)
       .deriveHardened(0)
       .derive(0)
-      .derive(0)
+      .derive(0);
 
-    assert.strictEqual(getAddress(child1), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au')
+    assert.strictEqual(
-    assert.strictEqual(getAddress(child1b), '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au')
+      getAddress(child1),
-  })
+      '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au',
+    );
+    assert.strictEqual(
+      getAddress(child1b),
+      '12Tyvr1U8A3ped6zwMEU5M8cx3G38sP5Au',
+    );
+  });
 
   it('can create a BIP49, bitcoin testnet, account 0, external address', () => {
-    const mnemonic = 'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about'
+    const mnemonic =
-    const seed = bip39.mnemonicToSeed(mnemonic)
+      'abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about';
-    const root = bip32.fromSeed(seed)
+    const seed = bip39.mnemonicToSeedSync(mnemonic);
+    const root = bip32.fromSeed(seed);
 
-    const path = "m/49'/1'/0'/0/0"
+    const path = "m/49'/1'/0'/0/0";
-    const child = root.derivePath(path)
+    const child = root.derivePath(path);
 
     const { address } = bitcoin.payments.p2sh({
-      redeem: bitcoin.payments.p2wpkh({ pubkey: child.publicKey, network: bitcoin.networks.testnet }),
+      redeem: bitcoin.payments.p2wpkh({
-      network: bitcoin.networks.testnet
+        pubkey: child.publicKey,
-    })
+        network: bitcoin.networks.testnet,
-    assert.strictEqual(address, '2Mww8dCYPUpKHofjgcXcBCEGmniw9CoaiD2')
+      }),
-  })
+      network: bitcoin.networks.testnet,
+    });
+    assert.strictEqual(address, '2Mww8dCYPUpKHofjgcXcBCEGmniw9CoaiD2');
+  });
 
   it('can use BIP39 to generate BIP32 addresses', () => {
     // var mnemonic = bip39.generateMnemonic()
-    const mnemonic = 'praise you muffin lion enable neck grocery crumble super myself license ghost'
+    const mnemonic =
-    assert(bip39.validateMnemonic(mnemonic))
+      'praise you muffin lion enable neck grocery crumble super myself license ghost';
+    assert(bip39.validateMnemonic(mnemonic));
 
-    const seed = bip39.mnemonicToSeed(mnemonic)
+    const seed = bip39.mnemonicToSeedSync(mnemonic);
-    const root = bip32.fromSeed(seed)
+    const root = bip32.fromSeed(seed);
 
     // receive addresses
-    assert.strictEqual(getAddress(root.derivePath("m/0'/0/0")), '1AVQHbGuES57wD68AJi7Gcobc3RZrfYWTC')
+    assert.strictEqual(
-    assert.strictEqual(getAddress(root.derivePath("m/0'/0/1")), '1Ad6nsmqDzbQo5a822C9bkvAfrYv9mc1JL')
+      getAddress(root.derivePath("m/0'/0/0")),
+      '1AVQHbGuES57wD68AJi7Gcobc3RZrfYWTC',
+    );
+    assert.strictEqual(
+      getAddress(root.derivePath("m/0'/0/1")),
+      '1Ad6nsmqDzbQo5a822C9bkvAfrYv9mc1JL',
+    );
 
     // change addresses
-    assert.strictEqual(getAddress(root.derivePath("m/0'/1/0")), '1349KVc5NgedaK7DvuD4xDFxL86QN1Hvdn')
+    assert.strictEqual(
-    assert.strictEqual(getAddress(root.derivePath("m/0'/1/1")), '1EAvj4edpsWcSer3duybAd4KiR4bCJW5J6')
+      getAddress(root.derivePath("m/0'/1/0")),
-  })
+      '1349KVc5NgedaK7DvuD4xDFxL86QN1Hvdn',
-})
+    );
+    assert.strictEqual(
+      getAddress(root.derivePath("m/0'/1/1")),
+      '1EAvj4edpsWcSer3duybAd4KiR4bCJW5J6',
+    );
+  });
+});

test/integration/blocks.spec.ts

@@ -1,22 +1,21 @@
-'use strict'
+import * as assert from 'assert';
-
+import { describe, it } from 'mocha';
-const { describe, it } = require('mocha')
+import * as bitcoin from '../..';
-const assert = require('assert')
-const bitcoin = require('../../')
 
 describe('bitcoinjs-lib (blocks)', () => {
   it('can extract a height from a CoinBase transaction', () => {
     // from 00000000000000000097669cdca131f24d40c4cc7d80eaa65967a2d09acf6ce6
-    const txHex = '010000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff50037f9a07174d696e656420627920416e74506f6f6c685b205a2b1f7bfabe6d6d36afe1910eca9405b66f97750940a656e38e2c0312958190ff8e98fd16761d220400000000000000aa340000d49f0000ffffffff02b07fc366000000001976a9148349212dc27ce3ab4c5b29b85c4dec643d764b1788ac0000000000000000266a24aa21a9ed72d9432948505e3d3062f1307a3f027a5dea846ff85e47159680919c12bf1e400120000000000000000000000000000000000000000000000000000000000000000000000000'
+    const txHex =
-    const tx = bitcoin.Transaction.fromHex(txHex)
+      '010000000001010000000000000000000000000000000000000000000000000000000000000000ffffffff50037f9a07174d696e656420627920416e74506f6f6c685b205a2b1f7bfabe6d6d36afe1910eca9405b66f97750940a656e38e2c0312958190ff8e98fd16761d220400000000000000aa340000d49f0000ffffffff02b07fc366000000001976a9148349212dc27ce3ab4c5b29b85c4dec643d764b1788ac0000000000000000266a24aa21a9ed72d9432948505e3d3062f1307a3f027a5dea846ff85e47159680919c12bf1e400120000000000000000000000000000000000000000000000000000000000000000000000000';
+    const tx = bitcoin.Transaction.fromHex(txHex);
 
-    assert.strictEqual(tx.ins.length, 1)
+    assert.strictEqual(tx.ins.length, 1);
-    const script = tx.ins[0].script
+    const script = tx.ins[0].script;
     // bitcoin.script.decompile(script) // returns [] :(
 
-    assert.strictEqual(script[0], 0x03)
+    assert.strictEqual(script[0], 0x03);
-    const heightBuffer = script.slice(1, 4)
+    const heightBuffer = script.slice(1, 4);
-    const height = bitcoin.script.number.decode(heightBuffer)
+    const height = bitcoin.script.number.decode(heightBuffer);
-    assert.strictEqual(height, 498303)
+    assert.strictEqual(height, 498303);
-  })
+  });
-})
+});

test/integration/cltv.spec.ts

@@ -1,198 +1,219 @@
-const { describe, it, before } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { before, describe, it } from 'mocha';
-const bitcoin = require('../../')
+import * as bitcoin from '../..';
-const regtestUtils = require('./_regtest')
+import { regtestUtils } from './_regtest';
-const regtest = regtestUtils.network
+const regtest = regtestUtils.network;
-const bip65 = require('bip65')
+const bip65 = require('bip65');
 
-const alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', regtest)
+const alice = bitcoin.ECPair.fromWIF(
-const bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', regtest)
+  'cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe',
-console.warn = () => {} // Silence the Deprecation Warning
+  regtest,
+);
+const bob = bitcoin.ECPair.fromWIF(
+  'cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x',
+  regtest,
+);
+console.warn = () => {}; // Silence the Deprecation Warning
 
 describe('bitcoinjs-lib (transactions w/ CLTV)', () => {
   // force update MTP
   before(async () => {
-    await regtestUtils.mine(11)
+    await regtestUtils.mine(11);
-  })
+  });
 
-  const hashType = bitcoin.Transaction.SIGHASH_ALL
+  const hashType = bitcoin.Transaction.SIGHASH_ALL;
 
-  function cltvCheckSigOutput (aQ, bQ, lockTime) {
+  type keyPair = { publicKey: Buffer };
-    return bitcoin.script.compile([
+  function cltvCheckSigOutput(aQ: keyPair, bQ: keyPair, lockTime: number) {
-      bitcoin.opcodes.OP_IF,
+    return bitcoin.script.fromASM(
-      bitcoin.script.number.encode(lockTime),
+      `
-      bitcoin.opcodes.OP_CHECKLOCKTIMEVERIFY,
+      OP_IF
-      bitcoin.opcodes.OP_DROP,
+          ${bitcoin.script.number.encode(lockTime).toString('hex')}
-
+          OP_CHECKLOCKTIMEVERIFY
-      bitcoin.opcodes.OP_ELSE,
+          OP_DROP
-      bQ.publicKey,
+      OP_ELSE
-      bitcoin.opcodes.OP_CHECKSIGVERIFY,
+          ${bQ.publicKey.toString('hex')}
-      bitcoin.opcodes.OP_ENDIF,
+          OP_CHECKSIGVERIFY
-
+      OP_ENDIF
-      aQ.publicKey,
+      ${aQ.publicKey.toString('hex')}
-      bitcoin.opcodes.OP_CHECKSIG
+      OP_CHECKSIG
-    ])
+    `
+        .trim()
+        .replace(/\s+/g, ' '),
+    );
   }
 
-  function utcNow () {
+  function utcNow() {
-    return Math.floor(Date.now() / 1000)
+    return Math.floor(Date.now() / 1000);
   }
 
   // expiry past, {Alice's signature} OP_TRUE
   it('can create (and broadcast via 3PBP) a Transaction where Alice can redeem the output after the expiry (in the past)', async () => {
     // 3 hours ago
-    const lockTime = bip65.encode({ utc: utcNow() - (3600 * 3) })
+    const lockTime = bip65.encode({ utc: utcNow() - 3600 * 3 });
-    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime)
+    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
-    const { address } = bitcoin.payments.p2sh({ redeem: { output: redeemScript, network: regtest }, network: regtest })
+    const { address } = bitcoin.payments.p2sh({
+      redeem: { output: redeemScript, network: regtest },
+      network: regtest,
+    });
 
     // fund the P2SH(CLTV) address
-    const unspent = await regtestUtils.faucet(address, 1e5)
+    const unspent = await regtestUtils.faucet(address!, 1e5);
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.setLockTime(lockTime)
+    txb.setLockTime(lockTime);
     // Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
-    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe)
+    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
 
     // {Alice's signature} OP_TRUE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, redeemScript, hashType)
+    const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
     const redeemScriptSig = bitcoin.payments.p2sh({
       redeem: {
         input: bitcoin.script.compile([
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
-          bitcoin.opcodes.OP_TRUE
+          bitcoin.opcodes.OP_TRUE,
         ]),
-        output: redeemScript
+        output: redeemScript,
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 7e4
+      value: 7e4,
-    })
+    });
-  })
+  });
 
   // expiry will pass, {Alice's signature} OP_TRUE
   it('can create (and broadcast via 3PBP) a Transaction where Alice can redeem the output after the expiry (in the future)', async () => {
-    const height = await regtestUtils.height()
+    const height = await regtestUtils.height();
     // 5 blocks from now
-    const lockTime = bip65.encode({ blocks: height + 5 })
+    const lockTime = bip65.encode({ blocks: height + 5 });
-    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime)
+    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
-    const { address } = bitcoin.payments.p2sh({ redeem: { output: redeemScript, network: regtest }, network: regtest })
+    const { address } = bitcoin.payments.p2sh({
+      redeem: { output: redeemScript, network: regtest },
+      network: regtest,
+    });
 
     // fund the P2SH(CLTV) address
-    const unspent = await regtestUtils.faucet(address, 1e5)
+    const unspent = await regtestUtils.faucet(address!, 1e5);
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.setLockTime(lockTime)
+    txb.setLockTime(lockTime);
     // Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
-    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe)
+    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
 
     // {Alice's signature} OP_TRUE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, redeemScript, hashType)
+    const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
     const redeemScriptSig = bitcoin.payments.p2sh({
       redeem: {
         input: bitcoin.script.compile([
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
-          bitcoin.opcodes.OP_TRUE
+          bitcoin.opcodes.OP_TRUE,
         ]),
-        output: redeemScript
+        output: redeemScript,
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
     // TODO: test that it failures _prior_ to expiry, unfortunately, race conditions when run concurrently
     // ...
     // into the future!
-    await regtestUtils.mine(5)
+    await regtestUtils.mine(5);
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 7e4
+      value: 7e4,
-    })
+    });
-  })
+  });
 
   // expiry ignored, {Bob's signature} {Alice's signature} OP_FALSE
   it('can create (and broadcast via 3PBP) a Transaction where Alice and Bob can redeem the output at any time', async () => {
     // two hours ago
-    const lockTime = bip65.encode({ utc: utcNow() - (3600 * 2) })
+    const lockTime = bip65.encode({ utc: utcNow() - 3600 * 2 });
-    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime)
+    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
-    const { address } = bitcoin.payments.p2sh({ redeem: { output: redeemScript, network: regtest }, network: regtest })
+    const { address } = bitcoin.payments.p2sh({
+      redeem: { output: redeemScript, network: regtest },
+      network: regtest,
+    });
 
     // fund the P2SH(CLTV) address
-    const unspent = await regtestUtils.faucet(address, 2e5)
+    const unspent = await regtestUtils.faucet(address!, 2e5);
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.setLockTime(lockTime)
+    txb.setLockTime(lockTime);
     // Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
-    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe)
+    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 8e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 8e4);
 
     // {Alice's signature} {Bob's signature} OP_FALSE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, redeemScript, hashType)
+    const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
     const redeemScriptSig = bitcoin.payments.p2sh({
       redeem: {
         input: bitcoin.script.compile([
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
           bitcoin.script.signature.encode(bob.sign(signatureHash), hashType),
-          bitcoin.opcodes.OP_FALSE
+          bitcoin.opcodes.OP_FALSE,
         ]),
-        output: redeemScript
+        output: redeemScript,
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 8e4
+      value: 8e4,
-    })
+    });
-  })
+  });
 
   // expiry in the future, {Alice's signature} OP_TRUE
   it('can create (but fail to broadcast via 3PBP) a Transaction where Alice attempts to redeem before the expiry', async () => {
     // two hours from now
-    const lockTime = bip65.encode({ utc: utcNow() + (3600 * 2) })
+    const lockTime = bip65.encode({ utc: utcNow() + 3600 * 2 });
-    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime)
+    const redeemScript = cltvCheckSigOutput(alice, bob, lockTime);
-    const { address } = bitcoin.payments.p2sh({ redeem: { output: redeemScript, network: regtest }, network: regtest })
+    const { address } = bitcoin.payments.p2sh({
+      redeem: { output: redeemScript, network: regtest },
+      network: regtest,
+    });
 
     // fund the P2SH(CLTV) address
-    const unspent = await regtestUtils.faucet(address, 2e4)
+    const unspent = await regtestUtils.faucet(address!, 2e4);
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.setLockTime(lockTime)
+    txb.setLockTime(lockTime);
     // Note: nSequence MUST be <= 0xfffffffe otherwise LockTime is ignored, and is immediately spendable.
-    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe)
+    txb.addInput(unspent.txId, unspent.vout, 0xfffffffe);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4);
 
     // {Alice's signature} OP_TRUE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, redeemScript, hashType)
+    const signatureHash = tx.hashForSignature(0, redeemScript, hashType);
     const redeemScriptSig = bitcoin.payments.p2sh({
       redeem: {
         input: bitcoin.script.compile([
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
           bitcoin.script.signature.encode(bob.sign(signatureHash), hashType),
-          bitcoin.opcodes.OP_TRUE
+          bitcoin.opcodes.OP_TRUE,
         ]),
-        output: redeemScript
+        output: redeemScript,
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
     await regtestUtils.broadcast(tx.toHex()).catch(err => {
       assert.throws(() => {
-        if (err) throw err
+        if (err) throw err;
-      }, /Error: non-final \(code 64\)/)
+      }, /Error: non-final \(code 64\)/);
-    })
+    });
-  })
+  });
-})
+});

test/integration/csv.spec.ts

@@ -1,27 +1,41 @@
-const { describe, it, before } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { before, describe, it } from 'mocha';
-const bitcoin = require('../../')
+import * as bitcoin from '../..';
-const regtestUtils = require('./_regtest')
+import { regtestUtils } from './_regtest';
-const regtest = regtestUtils.network
+const regtest = regtestUtils.network;
-const bip68 = require('bip68')
+const bip68 = require('bip68');
 
-const alice = bitcoin.ECPair.fromWIF('cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe', regtest)
+const alice = bitcoin.ECPair.fromWIF(
-const bob = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x', regtest)
+  'cScfkGjbzzoeewVWmU2hYPUHeVGJRDdFt7WhmrVVGkxpmPP8BHWe',
-const charles = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsMSb4Ubnf', regtest)
+  regtest,
-const dave = bitcoin.ECPair.fromWIF('cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsMwS4pqnx', regtest)
+);
-console.warn = () => {} // Silence the Deprecation Warning
+const bob = bitcoin.ECPair.fromWIF(
+  'cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsLwjHXA9x',
+  regtest,
+);
+const charles = bitcoin.ECPair.fromWIF(
+  'cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsMSb4Ubnf',
+  regtest,
+);
+const dave = bitcoin.ECPair.fromWIF(
+  'cMkopUXKWsEzAjfa1zApksGRwjVpJRB3831qM9W4gKZsMwS4pqnx',
+  regtest,
+);
+console.warn = () => {}; // Silence the Deprecation Warning
 
 describe('bitcoinjs-lib (transactions w/ CSV)', () => {
   // force update MTP
   before(async () => {
-    await regtestUtils.mine(11)
+    await regtestUtils.mine(11);
-  })
+  });
 
-  const hashType = bitcoin.Transaction.SIGHASH_ALL
+  const hashType = bitcoin.Transaction.SIGHASH_ALL;
 
+  type keyPair = { publicKey: Buffer };
   // IF MTP (from when confirmed) > seconds, _alice can redeem
-  function csvCheckSigOutput (_alice, _bob, sequence) {
+  function csvCheckSigOutput(_alice: keyPair, _bob: keyPair, sequence: number) {
-    return bitcoin.script.fromASM(`
+    return bitcoin.script.fromASM(
+      `
       OP_IF
           ${bitcoin.script.number.encode(sequence).toString('hex')}
           OP_CHECKSEQUENCEVERIFY
@@ -32,7 +46,10 @@ describe('bitcoinjs-lib (transactions w/ CSV)', () => {
       OP_ENDIF
       ${_alice.publicKey.toString('hex')}
       OP_CHECKSIG
-    `.trim().replace(/\s+/g, ' '))
+    `
+        .trim()
+        .replace(/\s+/g, ' '),
+    );
   }
 
   // 2 of 3 multisig of _bob, _charles, _dave,
@@ -41,8 +58,16 @@ describe('bitcoinjs-lib (transactions w/ CSV)', () => {
   // Ref: https://github.com/bitcoinbook/bitcoinbook/blob/f8b883dcd4e3d1b9adf40fed59b7e898fbd9241f/ch07.asciidoc#complex-script-example
   // Note: bitcoinjs-lib will not offer specific support for problems with
   //       advanced script usages such as below. Use at your own risk.
-  function complexCsvOutput (_alice, _bob, _charles, _dave, sequence1, sequence2) {
+  function complexCsvOutput(
-    return bitcoin.script.fromASM(`
+    _alice: keyPair,
+    _bob: keyPair,
+    _charles: keyPair,
+    _dave: keyPair,
+    sequence1: number,
+    sequence2: number,
+  ) {
+    return bitcoin.script.fromASM(
+      `
       OP_IF
           OP_IF
               OP_2
@@ -66,253 +91,294 @@ describe('bitcoinjs-lib (transactions w/ CSV)', () => {
           ${_alice.publicKey.toString('hex')}
           OP_CHECKSIG
       OP_ENDIF
-    `.trim().replace(/\s+/g, ' '))
+    `
+        .trim()
+        .replace(/\s+/g, ' '),
+    );
   }
 
   // expiry will pass, {Alice's signature} OP_TRUE
   it('can create (and broadcast via 3PBP) a Transaction where Alice can redeem the output after the expiry (in the future) (simple CHECKSEQUENCEVERIFY)', async () => {
     // 5 blocks from now
-    const sequence = bip68.encode({ blocks: 5 })
+    const sequence = bip68.encode({ blocks: 5 });
     const p2sh = bitcoin.payments.p2sh({
       redeem: {
-        output: csvCheckSigOutput(alice, bob, sequence)
+        output: csvCheckSigOutput(alice, bob, sequence),
       },
-      network: regtest
+      network: regtest,
-    })
+    });
 
     // fund the P2SH(CSV) address
-    const unspent = await regtestUtils.faucet(p2sh.address, 1e5)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 1e5);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout, sequence)
+    txb.addInput(unspent.txId, unspent.vout, sequence);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
 
     // {Alice's signature} OP_TRUE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, p2sh.redeem.output, hashType)
+    const signatureHash = tx.hashForSignature(
+      0,
+      p2sh.redeem!.output!,
+      hashType,
+    );
     const redeemScriptSig = bitcoin.payments.p2sh({
       network: regtest,
       redeem: {
         network: regtest,
-        output: p2sh.redeem.output,
+        output: p2sh.redeem!.output,
         input: bitcoin.script.compile([
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
-          bitcoin.opcodes.OP_TRUE
+          bitcoin.opcodes.OP_TRUE,
-        ])
+        ]),
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
     // TODO: test that it failures _prior_ to expiry, unfortunately, race conditions when run concurrently
     // ...
     // into the future!
-    await regtestUtils.mine(10)
+    await regtestUtils.mine(10);
 
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 7e4
+      value: 7e4,
-    })
+    });
-  })
+  });
 
   // expiry in the future, {Alice's signature} OP_TRUE
   it('can create (but fail to broadcast via 3PBP) a Transaction where Alice attempts to redeem before the expiry (simple CHECKSEQUENCEVERIFY)', async () => {
     // two hours after confirmation
-    const sequence = bip68.encode({ seconds: 7168 })
+    const sequence = bip68.encode({ seconds: 7168 });
     const p2sh = bitcoin.payments.p2sh({
       network: regtest,
       redeem: {
-        output: csvCheckSigOutput(alice, bob, sequence)
+        output: csvCheckSigOutput(alice, bob, sequence),
-      }
+      },
-    })
+    });
 
     // fund the P2SH(CSV) address
-    const unspent = await regtestUtils.faucet(p2sh.address, 2e4)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 2e4);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout, sequence)
+    txb.addInput(unspent.txId, unspent.vout, sequence);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4);
 
     // {Alice's signature} OP_TRUE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, p2sh.redeem.output, hashType)
+    const signatureHash = tx.hashForSignature(
+      0,
+      p2sh.redeem!.output!,
+      hashType,
+    );
     const redeemScriptSig = bitcoin.payments.p2sh({
       network: regtest,
       redeem: {
         network: regtest,
-        output: p2sh.redeem.output,
+        output: p2sh.redeem!.output,
         input: bitcoin.script.compile([
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
           bitcoin.script.signature.encode(bob.sign(signatureHash), hashType),
-          bitcoin.opcodes.OP_TRUE
+          bitcoin.opcodes.OP_TRUE,
-        ])
+        ]),
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
     await regtestUtils.broadcast(tx.toHex()).catch(err => {
       assert.throws(() => {
-        if (err) throw err
+        if (err) throw err;
-      }, /Error: non-BIP68-final \(code 64\)/)
+      }, /Error: non-BIP68-final \(code 64\)/);
-    })
+    });
-  })
+  });
 
   // Check first combination of complex CSV, 2 of 3
   it('can create (and broadcast via 3PBP) a Transaction where Bob and Charles can send (complex CHECKSEQUENCEVERIFY)', async () => {
-    const height = await regtestUtils.height()
-
     // 2 blocks from now
-    const sequence1 = bip68.encode({ blocks: 2 })
+    const sequence1 = bip68.encode({ blocks: 2 });
     // 5 blocks from now
-    const sequence2 = bip68.encode({ blocks: 5 })
+    const sequence2 = bip68.encode({ blocks: 5 });
     const p2sh = bitcoin.payments.p2sh({
       redeem: {
-        output: complexCsvOutput(alice, bob, charles, dave, sequence1, sequence2)
+        output: complexCsvOutput(
+          alice,
+          bob,
+          charles,
+          dave,
+          sequence1,
+          sequence2,
+        ),
       },
-      network: regtest
+      network: regtest,
-    })
+    });
 
     // fund the P2SH(CCSV) address
-    const unspent = await regtestUtils.faucet(p2sh.address, 1e5)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 1e5);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout)
+    txb.addInput(unspent.txId, unspent.vout);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
 
     // OP_0 {Bob sig} {Charles sig} OP_TRUE OP_TRUE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, p2sh.redeem.output, hashType)
+    const signatureHash = tx.hashForSignature(
+      0,
+      p2sh.redeem!.output!,
+      hashType,
+    );
     const redeemScriptSig = bitcoin.payments.p2sh({
       network: regtest,
       redeem: {
         network: regtest,
-        output: p2sh.redeem.output,
+        output: p2sh.redeem!.output,
         input: bitcoin.script.compile([
           bitcoin.opcodes.OP_0,
           bitcoin.script.signature.encode(bob.sign(signatureHash), hashType),
-          bitcoin.script.signature.encode(charles.sign(signatureHash), hashType),
+          bitcoin.script.signature.encode(
+            charles.sign(signatureHash),
+            hashType,
+          ),
           bitcoin.opcodes.OP_TRUE,
-          bitcoin.opcodes.OP_TRUE
+          bitcoin.opcodes.OP_TRUE,
-        ])
+        ]),
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 7e4
+      value: 7e4,
-    })
+    });
-  })
+  });
 
   // Check first combination of complex CSV, mediator + 1 of 3 after 2 blocks
   it('can create (and broadcast via 3PBP) a Transaction where Alice (mediator) and Bob can send after 2 blocks (complex CHECKSEQUENCEVERIFY)', async () => {
-    const height = await regtestUtils.height()
-
     // 2 blocks from now
-    const sequence1 = bip68.encode({ blocks: 2 })
+    const sequence1 = bip68.encode({ blocks: 2 });
     // 5 blocks from now
-    const sequence2 = bip68.encode({ blocks: 5 })
+    const sequence2 = bip68.encode({ blocks: 5 });
     const p2sh = bitcoin.payments.p2sh({
       redeem: {
-        output: complexCsvOutput(alice, bob, charles, dave, sequence1, sequence2)
+        output: complexCsvOutput(
+          alice,
+          bob,
+          charles,
+          dave,
+          sequence1,
+          sequence2,
+        ),
       },
-      network: regtest
+      network: regtest,
-    })
+    });
 
     // fund the P2SH(CCSV) address
-    const unspent = await regtestUtils.faucet(p2sh.address, 1e5)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 1e5);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout, sequence1) // Set sequence1 for input
+    txb.addInput(unspent.txId, unspent.vout, sequence1); // Set sequence1 for input
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
 
     // OP_0 {Bob sig} {Alice mediator sig} OP_FALSE OP_TRUE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, p2sh.redeem.output, hashType)
+    const signatureHash = tx.hashForSignature(
+      0,
+      p2sh.redeem!.output!,
+      hashType,
+    );
     const redeemScriptSig = bitcoin.payments.p2sh({
       network: regtest,
       redeem: {
         network: regtest,
-        output: p2sh.redeem.output,
+        output: p2sh.redeem!.output,
         input: bitcoin.script.compile([
           bitcoin.opcodes.OP_0,
           bitcoin.script.signature.encode(bob.sign(signatureHash), hashType),
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
           bitcoin.opcodes.OP_0,
-          bitcoin.opcodes.OP_TRUE
+          bitcoin.opcodes.OP_TRUE,
-        ])
+        ]),
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
     // Wait 2 blocks
-    await regtestUtils.mine(2)
+    await regtestUtils.mine(2);
 
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 7e4
+      value: 7e4,
-    })
+    });
-  })
+  });
 
   // Check first combination of complex CSV, mediator after 5 blocks
   it('can create (and broadcast via 3PBP) a Transaction where Alice (mediator) can send after 5 blocks (complex CHECKSEQUENCEVERIFY)', async () => {
-    const height = await regtestUtils.height()
-
     // 2 blocks from now
-    const sequence1 = bip68.encode({ blocks: 2 })
+    const sequence1 = bip68.encode({ blocks: 2 });
     // 5 blocks from now
-    const sequence2 = bip68.encode({ blocks: 5 })
+    const sequence2 = bip68.encode({ blocks: 5 });
     const p2sh = bitcoin.payments.p2sh({
       redeem: {
-        output: complexCsvOutput(alice, bob, charles, dave, sequence1, sequence2)
+        output: complexCsvOutput(
+          alice,
+          bob,
+          charles,
+          dave,
+          sequence1,
+          sequence2,
+        ),
       },
-      network: regtest
+      network: regtest,
-    })
+    });
 
     // fund the P2SH(CCSV) address
-    const unspent = await regtestUtils.faucet(p2sh.address, 1e5)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 1e5);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout, sequence2) // Set sequence2 for input
+    txb.addInput(unspent.txId, unspent.vout, sequence2); // Set sequence2 for input
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 7e4);
 
     // {Alice mediator sig} OP_FALSE
-    const tx = txb.buildIncomplete()
+    const tx = txb.buildIncomplete();
-    const signatureHash = tx.hashForSignature(0, p2sh.redeem.output, hashType)
+    const signatureHash = tx.hashForSignature(
+      0,
+      p2sh.redeem!.output!,
+      hashType,
+    );
     const redeemScriptSig = bitcoin.payments.p2sh({
       network: regtest,
       redeem: {
         network: regtest,
-        output: p2sh.redeem.output,
+        output: p2sh.redeem!.output,
         input: bitcoin.script.compile([
           bitcoin.script.signature.encode(alice.sign(signatureHash), hashType),
-          bitcoin.opcodes.OP_0
+          bitcoin.opcodes.OP_0,
-        ])
+        ]),
-      }
+      },
-    }).input
+    }).input;
-    tx.setInputScript(0, redeemScriptSig)
+    tx.setInputScript(0, redeemScriptSig!);
 
     // Wait 5 blocks
-    await regtestUtils.mine(5)
+    await regtestUtils.mine(5);
 
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 7e4
+      value: 7e4,
-    })
+    });
-  })
+  });
-})
+});

test/integration/payments.spec.ts

@@ -1,23 +1,27 @@
-const bitcoin = require('../../')
+import { describe, it } from 'mocha';
-
+import * as bitcoin from '../..';
-const { describe, it } = require('mocha')
+import { regtestUtils } from './_regtest';
-const regtestUtils = require('./_regtest')
+const NETWORK = regtestUtils.network;
-const NETWORK = regtestUtils.network
 const keyPairs = [
   bitcoin.ECPair.makeRandom({ network: NETWORK }),
-  bitcoin.ECPair.makeRandom({ network: NETWORK })
+  bitcoin.ECPair.makeRandom({ network: NETWORK }),
-]
+];
-console.warn = () => {} // Silence the Deprecation Warning
+console.warn = () => {}; // Silence the Deprecation Warning
 
-async function buildAndSign (depends, prevOutput, redeemScript, witnessScript) {
+async function buildAndSign(
-  const unspent = await regtestUtils.faucetComplex(prevOutput, 5e4)
+  depends: any,
+  prevOutput: any,
+  redeemScript: any,
+  witnessScript: any,
+) {
+  const unspent = await regtestUtils.faucetComplex(prevOutput, 5e4);
 
-  const txb = new bitcoin.TransactionBuilder(NETWORK)
+  const txb = new bitcoin.TransactionBuilder(NETWORK);
-  txb.addInput(unspent.txId, unspent.vout, null, prevOutput)
+  txb.addInput(unspent.txId, unspent.vout, undefined, prevOutput);
-  txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4)
+  txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4);
 
-  const posType = depends.prevOutScriptType
+  const posType = depends.prevOutScriptType;
-  const needsValue = !!witnessScript || posType.slice(-6) === 'p2wpkh'
+  const needsValue = !!witnessScript || posType.slice(-6) === 'p2wpkh';
 
   if (depends.signatures) {
     keyPairs.forEach(keyPair => {
@@ -28,8 +32,8 @@ async function buildAndSign (depends, prevOutput, redeemScript, witnessScript) {
         redeemScript,
         witnessValue: needsValue ? unspent.value : undefined,
         witnessScript,
-      })
+      });
-    })
+    });
   } else if (depends.signature) {
     txb.sign({
       prevOutScriptType: posType,
@@ -38,52 +42,94 @@ async function buildAndSign (depends, prevOutput, redeemScript, witnessScript) {
       redeemScript,
       witnessValue: needsValue ? unspent.value : undefined,
       witnessScript,
-    })
+    });
   }
 
-  return regtestUtils.broadcast(txb.build().toHex())
+  return regtestUtils.broadcast(txb.build().toHex());
 }
 
-;['p2ms', 'p2pk', 'p2pkh', 'p2wpkh'].forEach(k => {
+['p2ms', 'p2pk', 'p2pkh', 'p2wpkh'].forEach(k => {
-  const fixtures = require('../fixtures/' + k)
+  const fixtures = require('../fixtures/' + k);
-  const { depends } = fixtures.dynamic
+  const { depends } = fixtures.dynamic;
-  const fn = bitcoin.payments[k]
+  const fn: any = (bitcoin.payments as any)[k];
 
-  const base = {}
+  const base: any = {};
-  if (depends.pubkey) base.pubkey = keyPairs[0].publicKey
+  if (depends.pubkey) base.pubkey = keyPairs[0].publicKey;
-  if (depends.pubkeys) base.pubkeys = keyPairs.map(x => x.publicKey)
+  if (depends.pubkeys) base.pubkeys = keyPairs.map(x => x.publicKey);
-  if (depends.m) base.m = base.pubkeys.length
+  if (depends.m) base.m = base.pubkeys.length;
 
-  const { output } = fn(base)
+  const { output } = fn(base);
-  if (!output) throw new TypeError('Missing output')
+  if (!output) throw new TypeError('Missing output');
 
   describe('bitcoinjs-lib (payments - ' + k + ')', () => {
     it('can broadcast as an output, and be spent as an input', async () => {
-      Object.assign(depends, { prevOutScriptType: k })
+      Object.assign(depends, { prevOutScriptType: k });
-      await buildAndSign(depends, output, undefined, undefined)
+      await buildAndSign(depends, output, undefined, undefined);
-    })
+    });
 
-    it('can (as P2SH(' + k + ')) broadcast as an output, and be spent as an input', async () => {
+    it(
-      const p2sh = bitcoin.payments.p2sh({ redeem: { output }, network: NETWORK })
+      'can (as P2SH(' +
-      Object.assign(depends, { prevOutScriptType: 'p2sh-' + k })
+        k +
-      await buildAndSign(depends, p2sh.output, p2sh.redeem.output, undefined)
+        ')) broadcast as an output, and be spent as an input',
-    })
+      async () => {
+        const p2sh = bitcoin.payments.p2sh({
+          redeem: { output },
+          network: NETWORK,
+        });
+        Object.assign(depends, { prevOutScriptType: 'p2sh-' + k });
+        await buildAndSign(
+          depends,
+          p2sh.output,
+          p2sh.redeem!.output,
+          undefined,
+        );
+      },
+    );
 
     // NOTE: P2WPKH cannot be wrapped in P2WSH, consensus fail
-    if (k === 'p2wpkh') return
+    if (k === 'p2wpkh') return;
 
-    it('can (as P2WSH(' + k + ')) broadcast as an output, and be spent as an input', async () => {
+    it(
-      const p2wsh = bitcoin.payments.p2wsh({ redeem: { output }, network: NETWORK })
+      'can (as P2WSH(' +
-      Object.assign(depends, { prevOutScriptType: 'p2wsh-' + k })
+        k +
-      await buildAndSign(depends, p2wsh.output, undefined, p2wsh.redeem.output)
+        ')) broadcast as an output, and be spent as an input',
-    })
+      async () => {
+        const p2wsh = bitcoin.payments.p2wsh({
+          redeem: { output },
+          network: NETWORK,
+        });
+        Object.assign(depends, { prevOutScriptType: 'p2wsh-' + k });
+        await buildAndSign(
+          depends,
+          p2wsh.output,
+          undefined,
+          p2wsh.redeem!.output,
+        );
+      },
+    );
 
-    it('can (as P2SH(P2WSH(' + k + '))) broadcast as an output, and be spent as an input', async () => {
+    it(
-      const p2wsh = bitcoin.payments.p2wsh({ redeem: { output }, network: NETWORK })
+      'can (as P2SH(P2WSH(' +
-      const p2sh = bitcoin.payments.p2sh({ redeem: { output: p2wsh.output }, network: NETWORK })
+        k +
+        '))) broadcast as an output, and be spent as an input',
+      async () => {
+        const p2wsh = bitcoin.payments.p2wsh({
+          redeem: { output },
+          network: NETWORK,
+        });
+        const p2sh = bitcoin.payments.p2sh({
+          redeem: { output: p2wsh.output },
+          network: NETWORK,
+        });
 
-      Object.assign(depends, { prevOutScriptType: 'p2sh-p2wsh-' + k })
+        Object.assign(depends, { prevOutScriptType: 'p2sh-p2wsh-' + k });
-      await buildAndSign(depends, p2sh.output, p2sh.redeem.output, p2wsh.redeem.output)
+        await buildAndSign(
-    })
+          depends,
-  })
+          p2sh.output,
-})
+          p2sh.redeem!.output,
+          p2wsh.redeem!.output,
+        );
+      },
+    );
+  });
+});

test/integration/transactions-psbt.spec.ts

@@ -1,9 +1,9 @@
-const { describe, it } = require('mocha');
+import * as assert from 'assert';
-const assert = require('assert');
+import { describe, it } from 'mocha';
-const bitcoin = require('../../');
+import * as bitcoin from '../..';
-const bip32 = require('bip32');
+import { regtestUtils } from './_regtest';
+import * as bip32 from 'bip32';
 const rng = require('randombytes');
-const regtestUtils = require('./_regtest');
 const regtest = regtestUtils.network;
 
 // See bottom of file for some helper functions used to make the payment objects needed.
@@ -174,7 +174,7 @@ describe('bitcoinjs-lib (transactions with psbt)', () => {
     const psbt = new bitcoin.Psbt({ network: regtest })
       .addInput(inputData1)
       .addOutput({
-        script: embed.output,
+        script: embed.output!,
         value: 1000,
       })
       .addOutput({
@@ -350,7 +350,12 @@ describe('bitcoinjs-lib (transactions with psbt)', () => {
     // For learning purposes, ignore this test.
     // REPEATING ABOVE BUT WITH nonWitnessUtxo by passing false to getInputData
     const p2wpkh = createPayment('p2wpkh');
-    const inputData = await getInputData(5e4, p2wpkh.payment, false, 'noredeem');
+    const inputData = await getInputData(
+      5e4,
+      p2wpkh.payment,
+      false,
+      'noredeem',
+    );
     const psbt = new bitcoin.Psbt({ network: regtest })
       .addInput(inputData)
       .addOutput({
@@ -486,7 +491,12 @@ describe('bitcoinjs-lib (transactions with psbt)', () => {
     // For learning purposes, ignore this test.
     // REPEATING ABOVE BUT WITH nonWitnessUtxo by passing false to getInputData
     const p2sh = createPayment('p2sh-p2wsh-p2ms(3 of 4)');
-    const inputData = await getInputData(5e4, p2sh.payment, false, 'p2sh-p2wsh');
+    const inputData = await getInputData(
+      5e4,
+      p2sh.payment,
+      false,
+      'p2sh-p2wsh',
+    );
     const psbt = new bitcoin.Psbt({ network: regtest })
       .addInput(inputData)
       .addOutput({
@@ -528,9 +538,9 @@ describe('bitcoinjs-lib (transactions with psbt)', () => {
           masterFingerprint,
           path,
           pubkey,
-        }
+        },
-      ]
+      ],
-    }
+    };
     const p2wpkh = createPayment('p2wpkh', [childNode]);
     const inputData = await getInputData(5e4, p2wpkh.payment, true, 'noredeem');
     {
@@ -539,7 +549,7 @@ describe('bitcoinjs-lib (transactions with psbt)', () => {
     }
 
     // You can add extra attributes for updateData into the addInput(s) object(s)
-    Object.assign(inputData, updateData)
+    Object.assign(inputData, updateData);
 
     const psbt = new bitcoin.Psbt({ network: regtest })
       .addInput(inputData)
@@ -551,7 +561,10 @@ describe('bitcoinjs-lib (transactions with psbt)', () => {
       .signInputHD(0, hdRoot); // must sign with root!!!
 
     assert.strictEqual(psbt.validateSignaturesOfInput(0), true);
-    assert.strictEqual(psbt.validateSignaturesOfInput(0, childNode.publicKey), true);
+    assert.strictEqual(
+      psbt.validateSignaturesOfInput(0, childNode.publicKey),
+      true,
+    );
     psbt.finalizeAllInputs();
 
     const tx = psbt.extractTransaction();
@@ -568,18 +581,18 @@ describe('bitcoinjs-lib (transactions with psbt)', () => {
   });
 });
 
-function createPayment(_type, myKeys, network) {
+function createPayment(_type: string, myKeys?: any[], network?: any) {
   network = network || regtest;
   const splitType = _type.split('-').reverse();
   const isMultisig = splitType[0].slice(0, 4) === 'p2ms';
   const keys = myKeys || [];
-  let m;
+  let m: number | undefined;
   if (isMultisig) {
     const match = splitType[0].match(/^p2ms\((\d+) of (\d+)\)$/);
-    m = parseInt(match[1]);
+    m = parseInt(match![1]);
-    let n = parseInt(match[2]);
+    let n = parseInt(match![2]);
     if (keys.length > 0 && keys.length !== n) {
-      throw new Error('Need n keys for multisig')
+      throw new Error('Need n keys for multisig');
     }
     while (!myKeys && n > 1) {
       keys.push(bitcoin.ECPair.makeRandom({ network }));
@@ -588,7 +601,7 @@ function createPayment(_type, myKeys, network) {
   }
   if (!myKeys) keys.push(bitcoin.ECPair.makeRandom({ network }));
 
-  let payment;
+  let payment: any;
   splitType.forEach(type => {
     if (type.slice(0, 4) === 'p2ms') {
       payment = bitcoin.payments.p2ms({
@@ -597,12 +610,12 @@ function createPayment(_type, myKeys, network) {
         network,
       });
     } else if (['p2sh', 'p2wsh'].indexOf(type) > -1) {
-      payment = bitcoin.payments[type]({
+      payment = (bitcoin.payments as any)[type]({
         redeem: payment,
         network,
       });
     } else {
-      payment = bitcoin.payments[type]({
+      payment = (bitcoin.payments as any)[type]({
         pubkey: keys[0].publicKey,
         network,
       });
@@ -615,13 +628,18 @@ function createPayment(_type, myKeys, network) {
   };
 }
 
-function getWitnessUtxo(out) {
+function getWitnessUtxo(out: any) {
   delete out.address;
   out.script = Buffer.from(out.script, 'hex');
   return out;
 }
 
-async function getInputData(amount, payment, isSegwit, redeemType) {
+async function getInputData(
+  amount: number,
+  payment: any,
+  isSegwit: boolean,
+  redeemType: string,
+) {
   const unspent = await regtestUtils.faucetComplex(payment.output, amount);
   const utx = await regtestUtils.fetch(unspent.txId);
   // for non segwit inputs, you must pass the full transaction buffer
@@ -629,7 +647,7 @@ async function getInputData(amount, payment, isSegwit, redeemType) {
   // for segwit inputs, you only need the output script and value as an object.
   const witnessUtxo = getWitnessUtxo(utx.outs[unspent.vout]);
   const mixin = isSegwit ? { witnessUtxo } : { nonWitnessUtxo };
-  const mixin2 = {};
+  const mixin2: any = {};
   switch (redeemType) {
     case 'p2sh':
       mixin2.redeemScript = payment.redeem.output;

test/integration/transactions.spec.ts

@@ -1,361 +1,421 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bitcoin = require('../../')
+import * as bitcoin from '../..';
-const regtestUtils = require('./_regtest')
+import { regtestUtils } from './_regtest';
-const regtest = regtestUtils.network
+const regtest = regtestUtils.network;
-console.warn = () => {} // Silence the Deprecation Warning
+console.warn = () => {}; // Silence the Deprecation Warning
 
-function rng () {
+function rng() {
-  return Buffer.from('YT8dAtK4d16A3P1z+TpwB2jJ4aFH3g9M1EioIBkLEV4=', 'base64')
+  return Buffer.from('YT8dAtK4d16A3P1z+TpwB2jJ4aFH3g9M1EioIBkLEV4=', 'base64');
 }
 
 describe('bitcoinjs-lib (transactions)', () => {
   it('can create a 1-to-1 Transaction', () => {
-    const alice = bitcoin.ECPair.fromWIF('L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy')
+    const alice = bitcoin.ECPair.fromWIF(
-    const txb = new bitcoin.TransactionBuilder()
+      'L1uyy5qTuGrVXrmrsvHWHgVzW9kKdrp27wBC7Vs6nZDTF2BRUVwy',
+    );
+    const txb = new bitcoin.TransactionBuilder();
 
-    txb.setVersion(1)
+    txb.setVersion(1);
-    txb.addInput('61d520ccb74288c96bc1a2b20ea1c0d5a704776dd0164a396efec3ea7040349d', 0) // Alice's previous transaction output, has 15000 satoshis
+    txb.addInput(
-    txb.addOutput('1cMh228HTCiwS8ZsaakH8A8wze1JR5ZsP', 12000)
+      '61d520ccb74288c96bc1a2b20ea1c0d5a704776dd0164a396efec3ea7040349d',
+      0,
+    ); // Alice's previous transaction output, has 15000 satoshis
+    txb.addOutput('1cMh228HTCiwS8ZsaakH8A8wze1JR5ZsP', 12000);
     // (in)15000 - (out)12000 = (fee)3000, this is the miner fee
 
     txb.sign({
       prevOutScriptType: 'p2pkh',
       vin: 0,
-      keyPair: alice
+      keyPair: alice,
-    })
+    });
 
     // prepare for broadcast to the Bitcoin network, see "can broadcast a Transaction" below
-    assert.strictEqual(txb.build().toHex(), '01000000019d344070eac3fe6e394a16d06d7704a7d5c0a10eb2a2c16bc98842b7cc20d561000000006b48304502210088828c0bdfcdca68d8ae0caeb6ec62cd3fd5f9b2191848edae33feb533df35d302202e0beadd35e17e7f83a733f5277028a9b453d525553e3f5d2d7a7aa8010a81d60121029f50f51d63b345039a290c94bffd3180c99ed659ff6ea6b1242bca47eb93b59fffffffff01e02e0000000000001976a91406afd46bcdfd22ef94ac122aa11f241244a37ecc88ac00000000')
+    assert.strictEqual(
-  })
+      txb.build().toHex(),
+      '01000000019d344070eac3fe6e394a16d06d7704a7d5c0a10eb2a2c16bc98842b7cc20d561000000006b48304502210088828c0bdfcdca68d8ae0caeb6ec62cd3fd5f9b2191848edae33feb533df35d302202e0beadd35e17e7f83a733f5277028a9b453d525553e3f5d2d7a7aa8010a81d60121029f50f51d63b345039a290c94bffd3180c99ed659ff6ea6b1242bca47eb93b59fffffffff01e02e0000000000001976a91406afd46bcdfd22ef94ac122aa11f241244a37ecc88ac00000000',
+    );
+  });
 
   it('can create a 2-to-2 Transaction', () => {
-    const alice = bitcoin.ECPair.fromWIF('L1Knwj9W3qK3qMKdTvmg3VfzUs3ij2LETTFhxza9LfD5dngnoLG1')
+    const alice = bitcoin.ECPair.fromWIF(
-    const bob = bitcoin.ECPair.fromWIF('KwcN2pT3wnRAurhy7qMczzbkpY5nXMW2ubh696UBc1bcwctTx26z')
+      'L1Knwj9W3qK3qMKdTvmg3VfzUs3ij2LETTFhxza9LfD5dngnoLG1',
+    );
+    const bob = bitcoin.ECPair.fromWIF(
+      'KwcN2pT3wnRAurhy7qMczzbkpY5nXMW2ubh696UBc1bcwctTx26z',
+    );
 
-    const txb = new bitcoin.TransactionBuilder()
+    const txb = new bitcoin.TransactionBuilder();
-    txb.setVersion(1)
+    txb.setVersion(1);
-    txb.addInput('b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c', 6) // Alice's previous transaction output, has 200000 satoshis
+    txb.addInput(
-    txb.addInput('7d865e959b2466918c9863afca942d0fb89d7c9ac0c99bafc3749504ded97730', 0) // Bob's previous transaction output, has 300000 satoshis
+      'b5bb9d8014a0f9b1d61e21e796d78dccdf1352f23cd32812f4850b878ae4944c',
-    txb.addOutput('1CUNEBjYrCn2y1SdiUMohaKUi4wpP326Lb', 180000)
+      6,
-    txb.addOutput('1JtK9CQw1syfWj1WtFMWomrYdV3W2tWBF9', 170000)
+    ); // Alice's previous transaction output, has 200000 satoshis
+    txb.addInput(
+      '7d865e959b2466918c9863afca942d0fb89d7c9ac0c99bafc3749504ded97730',
+      0,
+    ); // Bob's previous transaction output, has 300000 satoshis
+    txb.addOutput('1CUNEBjYrCn2y1SdiUMohaKUi4wpP326Lb', 180000);
+    txb.addOutput('1JtK9CQw1syfWj1WtFMWomrYdV3W2tWBF9', 170000);
     // (in)(200000 + 300000) - (out)(180000 + 170000) = (fee)150000, this is the miner fee
 
     txb.sign({
       prevOutScriptType: 'p2pkh',
       vin: 1,
-      keyPair: bob
+      keyPair: bob,
-    }) // Bob signs his input, which was the second input (1th)
+    }); // Bob signs his input, which was the second input (1th)
     txb.sign({
       prevOutScriptType: 'p2pkh',
       vin: 0,
-      keyPair: alice
+      keyPair: alice,
-    }) // Alice signs her input, which was the first input (0th)
+    }); // Alice signs her input, which was the first input (0th)
 
     // prepare for broadcast to the Bitcoin network, see "can broadcast a Transaction" below
-    assert.strictEqual(txb.build().toHex(), '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')
+    assert.strictEqual(
-  })
+      txb.build().toHex(),
+      '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',
+    );
+  });
 
   it('can create (and broadcast via 3PBP) a typical Transaction', async () => {
-    const alice1 = bitcoin.ECPair.makeRandom({ network: regtest })
+    const alice1 = bitcoin.ECPair.makeRandom({ network: regtest });
-    const alice2 = bitcoin.ECPair.makeRandom({ network: regtest })
+    const alice2 = bitcoin.ECPair.makeRandom({ network: regtest });
-    const aliceChange = bitcoin.ECPair.makeRandom({ network: regtest, rng: rng })
+    const aliceChange = bitcoin.ECPair.makeRandom({
+      network: regtest,
+      rng: rng,
+    });
 
-    const alice1pkh = bitcoin.payments.p2pkh({ pubkey: alice1.publicKey, network: regtest })
+    const alice1pkh = bitcoin.payments.p2pkh({
-    const alice2pkh = bitcoin.payments.p2pkh({ pubkey: alice2.publicKey, network: regtest })
+      pubkey: alice1.publicKey,
-    const aliceCpkh = bitcoin.payments.p2pkh({ pubkey: aliceChange.publicKey, network: regtest })
+      network: regtest,
+    });
+    const alice2pkh = bitcoin.payments.p2pkh({
+      pubkey: alice2.publicKey,
+      network: regtest,
+    });
+    const aliceCpkh = bitcoin.payments.p2pkh({
+      pubkey: aliceChange.publicKey,
+      network: regtest,
+    });
 
     // give Alice 2 unspent outputs
-    const unspent0 = await regtestUtils.faucet(alice1pkh.address, 5e4)
+    const unspent0 = await regtestUtils.faucet(alice1pkh.address!, 5e4);
 
-    const unspent1 = await regtestUtils.faucet(alice2pkh.address, 7e4)
+    const unspent1 = await regtestUtils.faucet(alice2pkh.address!, 7e4);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent0.txId, unspent0.vout) // alice1 unspent
+    txb.addInput(unspent0.txId, unspent0.vout); // alice1 unspent
-    txb.addInput(unspent1.txId, unspent1.vout) // alice2 unspent
+    txb.addInput(unspent1.txId, unspent1.vout); // alice2 unspent
-    txb.addOutput('mwCwTceJvYV27KXBc3NJZys6CjsgsoeHmf', 8e4) // the actual "spend"
+    txb.addOutput('mwCwTceJvYV27KXBc3NJZys6CjsgsoeHmf', 8e4); // the actual "spend"
-    txb.addOutput(aliceCpkh.address, 1e4) // Alice's change
+    txb.addOutput(aliceCpkh.address!, 1e4); // Alice's change
     // (in)(5e4 + 7e4) - (out)(8e4 + 1e4) = (fee)3e4 = 30000, this is the miner fee
 
     // Alice signs each input with the respective private keys
     txb.sign({
       prevOutScriptType: 'p2pkh',
       vin: 0,
-      keyPair: alice1
+      keyPair: alice1,
-    })
+    });
     txb.sign({
       prevOutScriptType: 'p2pkh',
       vin: 1,
-      keyPair: alice2
+      keyPair: alice2,
-    })
+    });
 
     // build and broadcast our RegTest network
-    await regtestUtils.broadcast(txb.build().toHex())
+    await regtestUtils.broadcast(txb.build().toHex());
     // to build and broadcast to the actual Bitcoin network, see https://github.com/bitcoinjs/bitcoinjs-lib/issues/839
-  })
+  });
 
   it('can create (and broadcast via 3PBP) a Transaction with an OP_RETURN output', async () => {
-    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest })
+    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest });
-    const p2pkh = bitcoin.payments.p2pkh({ pubkey: keyPair.publicKey, network: regtest })
+    const p2pkh = bitcoin.payments.p2pkh({
+      pubkey: keyPair.publicKey,
+      network: regtest,
+    });
 
-    const unspent = await regtestUtils.faucet(p2pkh.address, 2e5)
+    const unspent = await regtestUtils.faucet(p2pkh.address!, 2e5);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    const data = Buffer.from('bitcoinjs-lib', 'utf8')
+    const data = Buffer.from('bitcoinjs-lib', 'utf8');
-    const embed = bitcoin.payments.embed({ data: [data] })
+    const embed = bitcoin.payments.embed({ data: [data] });
-    txb.addInput(unspent.txId, unspent.vout)
+    txb.addInput(unspent.txId, unspent.vout);
-    txb.addOutput(embed.output, 1000)
+    txb.addOutput(embed.output!, 1000);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e5)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e5);
     txb.sign({
       prevOutScriptType: 'p2pkh',
       vin: 0,
       keyPair,
-    })
+    });
 
     // build and broadcast to the RegTest network
-    await regtestUtils.broadcast(txb.build().toHex())
+    await regtestUtils.broadcast(txb.build().toHex());
-  })
+  });
 
   it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2MS(2 of 4)) (multisig) input', async () => {
     const keyPairs = [
       bitcoin.ECPair.makeRandom({ network: regtest }),
       bitcoin.ECPair.makeRandom({ network: regtest }),
       bitcoin.ECPair.makeRandom({ network: regtest }),
-      bitcoin.ECPair.makeRandom({ network: regtest })
+      bitcoin.ECPair.makeRandom({ network: regtest }),
-    ]
+    ];
-    const pubkeys = keyPairs.map(x => x.publicKey)
+    const pubkeys = keyPairs.map(x => x.publicKey);
-    const p2ms = bitcoin.payments.p2ms({ m: 2, pubkeys: pubkeys, network: regtest })
+    const p2ms = bitcoin.payments.p2ms({
-    const p2sh = bitcoin.payments.p2sh({ redeem: p2ms, network: regtest })
+      m: 2,
+      pubkeys: pubkeys,
+      network: regtest,
+    });
+    const p2sh = bitcoin.payments.p2sh({ redeem: p2ms, network: regtest });
 
-    const unspent = await regtestUtils.faucet(p2sh.address, 2e4)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 2e4);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout)
+    txb.addInput(unspent.txId, unspent.vout);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 1e4);
 
     txb.sign({
       prevOutScriptType: 'p2sh-p2ms',
       vin: 0,
       keyPair: keyPairs[0],
-      redeemScript: p2sh.redeem.output,
+      redeemScript: p2sh.redeem!.output,
-    })
+    });
     txb.sign({
       prevOutScriptType: 'p2sh-p2ms',
       vin: 0,
       keyPair: keyPairs[2],
-      redeemScript: p2sh.redeem.output,
+      redeemScript: p2sh.redeem!.output,
-    })
+    });
-    const tx = txb.build()
+    const tx = txb.build();
 
     // build and broadcast to the Bitcoin RegTest network
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 1e4
+      value: 1e4,
-    })
+    });
-  })
+  });
 
   it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2WPKH) input', async () => {
-    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest })
+    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest });
-    const p2wpkh = bitcoin.payments.p2wpkh({ pubkey: keyPair.publicKey, network: regtest })
+    const p2wpkh = bitcoin.payments.p2wpkh({
-    const p2sh = bitcoin.payments.p2sh({ redeem: p2wpkh, network: regtest })
+      pubkey: keyPair.publicKey,
+      network: regtest,
+    });
+    const p2sh = bitcoin.payments.p2sh({ redeem: p2wpkh, network: regtest });
 
-    const unspent = await regtestUtils.faucet(p2sh.address, 5e4)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 5e4);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout)
+    txb.addInput(unspent.txId, unspent.vout);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4);
     txb.sign({
       prevOutScriptType: 'p2sh-p2wpkh',
       vin: 0,
       keyPair: keyPair,
-      redeemScript: p2sh.redeem.output,
+      redeemScript: p2sh.redeem!.output,
       witnessValue: unspent.value,
-    })
+    });
 
-    const tx = txb.build()
+    const tx = txb.build();
 
     // build and broadcast to the Bitcoin RegTest network
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 2e4
+      value: 2e4,
-    })
+    });
-  })
+  });
 
   it('can create (and broadcast via 3PBP) a Transaction, w/ a P2WPKH input', async () => {
-    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest })
+    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest });
-    const p2wpkh = bitcoin.payments.p2wpkh({ pubkey: keyPair.publicKey, network: regtest })
+    const p2wpkh = bitcoin.payments.p2wpkh({
+      pubkey: keyPair.publicKey,
+      network: regtest,
+    });
 
-    const unspent = await regtestUtils.faucetComplex(p2wpkh.output, 5e4)
+    const unspent = await regtestUtils.faucetComplex(p2wpkh.output!, 5e4);
 
     // XXX: build the Transaction w/ a P2WPKH input
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout, null, p2wpkh.output) // NOTE: provide the prevOutScript!
+    txb.addInput(unspent.txId, unspent.vout, undefined, p2wpkh.output); // NOTE: provide the prevOutScript!
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4);
     txb.sign({
       prevOutScriptType: 'p2wpkh',
       vin: 0,
       keyPair: keyPair,
       witnessValue: unspent.value,
-    }) // NOTE: no redeem script
+    }); // NOTE: no redeem script
-    const tx = txb.build()
+    const tx = txb.build();
 
     // build and broadcast (the P2WPKH transaction) to the Bitcoin RegTest network
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 2e4
+      value: 2e4,
-    })
+    });
-  })
+  });
 
   it('can create (and broadcast via 3PBP) a Transaction, w/ a P2WSH(P2PK) input', async () => {
-    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest })
+    const keyPair = bitcoin.ECPair.makeRandom({ network: regtest });
-    const p2pk = bitcoin.payments.p2pk({ pubkey: keyPair.publicKey, network: regtest })
+    const p2pk = bitcoin.payments.p2pk({
-    const p2wsh = bitcoin.payments.p2wsh({ redeem: p2pk, network: regtest })
+      pubkey: keyPair.publicKey,
+      network: regtest,
+    });
+    const p2wsh = bitcoin.payments.p2wsh({ redeem: p2pk, network: regtest });
 
-    const unspent = await regtestUtils.faucetComplex(p2wsh.output, 5e4)
+    const unspent = await regtestUtils.faucetComplex(p2wsh.output!, 5e4);
 
     // XXX: build the Transaction w/ a P2WSH input
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout, null, p2wsh.output) // NOTE: provide the prevOutScript!
+    txb.addInput(unspent.txId, unspent.vout, undefined, p2wsh.output); // NOTE: provide the prevOutScript!
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 2e4);
     txb.sign({
       prevOutScriptType: 'p2wsh-p2pk',
       vin: 0,
       keyPair: keyPair,
       witnessValue: 5e4,
-      witnessScript: p2wsh.redeem.output,
+      witnessScript: p2wsh.redeem!.output,
-    }) // NOTE: provide a witnessScript!
+    }); // NOTE: provide a witnessScript!
-    const tx = txb.build()
+    const tx = txb.build();
 
     // build and broadcast (the P2WSH transaction) to the Bitcoin RegTest network
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 2e4
+      value: 2e4,
-    })
+    });
-  })
+  });
 
   it('can create (and broadcast via 3PBP) a Transaction, w/ a P2SH(P2WSH(P2MS(3 of 4))) (SegWit multisig) input', async () => {
     const keyPairs = [
       bitcoin.ECPair.makeRandom({ network: regtest }),
       bitcoin.ECPair.makeRandom({ network: regtest }),
       bitcoin.ECPair.makeRandom({ network: regtest }),
-      bitcoin.ECPair.makeRandom({ network: regtest })
+      bitcoin.ECPair.makeRandom({ network: regtest }),
-    ]
+    ];
-    const pubkeys = keyPairs.map(x => x.publicKey)
+    const pubkeys = keyPairs.map(x => x.publicKey);
 
-    const p2ms = bitcoin.payments.p2ms({ m: 3, pubkeys, network: regtest })
+    const p2ms = bitcoin.payments.p2ms({ m: 3, pubkeys, network: regtest });
-    const p2wsh = bitcoin.payments.p2wsh({ redeem: p2ms, network: regtest })
+    const p2wsh = bitcoin.payments.p2wsh({ redeem: p2ms, network: regtest });
-    const p2sh = bitcoin.payments.p2sh({ redeem: p2wsh, network: regtest })
+    const p2sh = bitcoin.payments.p2sh({ redeem: p2wsh, network: regtest });
 
-    const unspent = await regtestUtils.faucet(p2sh.address, 6e4)
+    const unspent = await regtestUtils.faucet(p2sh.address!, 6e4);
 
-    const txb = new bitcoin.TransactionBuilder(regtest)
+    const txb = new bitcoin.TransactionBuilder(regtest);
-    txb.addInput(unspent.txId, unspent.vout, null, p2sh.output)
+    txb.addInput(unspent.txId, unspent.vout, undefined, p2sh.output);
-    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 3e4)
+    txb.addOutput(regtestUtils.RANDOM_ADDRESS, 3e4);
     txb.sign({
       prevOutScriptType: 'p2sh-p2wsh-p2ms',
       vin: 0,
       keyPair: keyPairs[0],
-      redeemScript: p2sh.redeem.output,
+      redeemScript: p2sh.redeem!.output,
       witnessValue: unspent.value,
-      witnessScript: p2wsh.redeem.output,
+      witnessScript: p2wsh.redeem!.output,
-    })
+    });
     txb.sign({
       prevOutScriptType: 'p2sh-p2wsh-p2ms',
       vin: 0,
       keyPair: keyPairs[2],
-      redeemScript: p2sh.redeem.output,
+      redeemScript: p2sh.redeem!.output,
       witnessValue: unspent.value,
-      witnessScript: p2wsh.redeem.output,
+      witnessScript: p2wsh.redeem!.output,
-    })
+    });
     txb.sign({
       prevOutScriptType: 'p2sh-p2wsh-p2ms',
       vin: 0,
       keyPair: keyPairs[3],
-      redeemScript: p2sh.redeem.output,
+      redeemScript: p2sh.redeem!.output,
       witnessValue: unspent.value,
-      witnessScript: p2wsh.redeem.output,
+      witnessScript: p2wsh.redeem!.output,
-    })
+    });
 
-    const tx = txb.build()
+    const tx = txb.build();
 
     // build and broadcast to the Bitcoin RegTest network
-    await regtestUtils.broadcast(tx.toHex())
+    await regtestUtils.broadcast(tx.toHex());
 
     await regtestUtils.verify({
       txId: tx.getId(),
       address: regtestUtils.RANDOM_ADDRESS,
       vout: 0,
-      value: 3e4
+      value: 3e4,
-    })
+    });
-  })
+  });
 
   it('can verify Transaction (P2PKH) signatures', () => {
-    const txHex = '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'
+    const txHex =
+      '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';
     const keyPairs = [
       '032b4c06c06c3ec0b7fa29519dfa5aae193ee2cc35ca127f29f14ec605d62fb63d',
       '0216c92abe433106491bdeb4a261226f20f5a4ac86220cc6e37655aac6bf3c1f2a',
-      '039e05da8b8ea4f9868ecebb25998c7701542986233f4401799551fbecf316b18f'
+      '039e05da8b8ea4f9868ecebb25998c7701542986233f4401799551fbecf316b18f',
-    ].map(q => { return bitcoin.ECPair.fromPublicKey(Buffer.from(q, 'hex')) })
+    ].map(q => {
+      return bitcoin.ECPair.fromPublicKey(Buffer.from(q, 'hex'));
+    });
 
-    const tx = bitcoin.Transaction.fromHex(txHex)
+    const tx = bitcoin.Transaction.fromHex(txHex);
 
     tx.ins.forEach((input, i) => {
-      const keyPair = keyPairs[i]
+      const keyPair = keyPairs[i];
       const p2pkh = bitcoin.payments.p2pkh({
         pubkey: keyPair.publicKey,
-        input: input.script
+        input: input.script,
-      })
+      });
 
-      const ss = bitcoin.script.signature.decode(p2pkh.signature)
+      const ss = bitcoin.script.signature.decode(p2pkh.signature!);
-      const hash = tx.hashForSignature(i, p2pkh.output, ss.hashType)
+      const hash = tx.hashForSignature(i, p2pkh.output!, ss.hashType);
 
-      assert.strictEqual(keyPair.verify(hash, ss.signature), true)
+      assert.strictEqual(keyPair.verify(hash, ss.signature), true);
-    })
+    });
-  })
+  });
 
   it('can verify Transaction (P2SH(P2WPKH)) signatures', () => {
     const utxos = {
       'f72d1d83ac40fcedd01415751556a905844ab5f44bbb7728565ebb91b1590109:0': {
-        value: 50000
+        value: 50000,
-      }
+      },
-    }
+    };
 
-    const txHex = '02000000000101090159b191bb5e562877bb4bf4b54a8405a95615751514d0edfc40ac831d2df7000000001716001435a179e5516947a39ae9c8a25e9fe62c0fc598edffffffff01204e0000000000001976a91431d43308d3c886d53e9ae8a45728370571ff456988ac0247304402206ec41f685b997a51f325b07ee852e82a535f6b52ef54485cc133e05168aa052a022070bafa86108acb51c77b2b259ae8fb7fd1efa10fef804fcfe9b13c2db719acf5012103fb03e9d0a9af86cbed94225dbb8bb70f6b82109bce0a61ddcf41dab6cbb4871100000000'
+    const txHex =
-    const tx = bitcoin.Transaction.fromHex(txHex)
+      '02000000000101090159b191bb5e562877bb4bf4b54a8405a95615751514d0edfc40ac831d2df7000000001716001435a179e5516947a39ae9c8a25e9fe62c0fc598edffffffff01204e0000000000001976a91431d43308d3c886d53e9ae8a45728370571ff456988ac0247304402206ec41f685b997a51f325b07ee852e82a535f6b52ef54485cc133e05168aa052a022070bafa86108acb51c77b2b259ae8fb7fd1efa10fef804fcfe9b13c2db719acf5012103fb03e9d0a9af86cbed94225dbb8bb70f6b82109bce0a61ddcf41dab6cbb4871100000000';
+    const tx = bitcoin.Transaction.fromHex(txHex);
 
     tx.ins.forEach((input, i) => {
-      const txId = Buffer.from(input.hash).reverse().toString('hex')
+      const txId = (Buffer.from(input.hash).reverse() as Buffer).toString(
-      const utxo = utxos[`${txId}:${i}`]
+        'hex',
-      if (!utxo) throw new Error('Missing utxo')
+      );
+      const utxo = (utxos as any)[`${txId}:${i}`];
+      if (!utxo) throw new Error('Missing utxo');
 
       const p2sh = bitcoin.payments.p2sh({
         input: input.script,
-        witness: input.witness
+        witness: input.witness,
-      })
+      });
-      const p2wpkh = bitcoin.payments.p2wpkh(p2sh.redeem)
+      const p2wpkh = bitcoin.payments.p2wpkh(p2sh.redeem!);
-      const p2pkh = bitcoin.payments.p2pkh({ pubkey: p2wpkh.pubkey }) // because P2WPKH is annoying
+      const p2pkh = bitcoin.payments.p2pkh({ pubkey: p2wpkh.pubkey }); // because P2WPKH is annoying
 
-      const ss = bitcoin.script.signature.decode(p2wpkh.signature)
+      const ss = bitcoin.script.signature.decode(p2wpkh.signature!);
-      const hash = tx.hashForWitnessV0(i, p2pkh.output, utxo.value, ss.hashType)
+      const hash = tx.hashForWitnessV0(
-      const keyPair = bitcoin.ECPair.fromPublicKey(p2wpkh.pubkey) // aka, cQ3EtF4mApRcogNGSeyPTKbmfxxn3Yfb1wecfKSws9a8bnYuxoAk
+        i,
+        p2pkh.output!,
+        utxo.value,
+        ss.hashType,
+      );
+      const keyPair = bitcoin.ECPair.fromPublicKey(p2wpkh.pubkey!); // aka, cQ3EtF4mApRcogNGSeyPTKbmfxxn3Yfb1wecfKSws9a8bnYuxoAk
 
-      assert.strictEqual(keyPair.verify(hash, ss.signature), true)
+      assert.strictEqual(keyPair.verify(hash, ss.signature), true);
-    })
+    });
-  })
+  });
-})
+});

test/payments.spec.ts

@@ -1,49 +1,55 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const u = require('./payments.utils')
+import * as u from './payments.utils';
-
+import { PaymentCreator } from '../src/payments';
-;['embed', 'p2ms', 'p2pk', 'p2pkh', 'p2sh', 'p2wpkh', 'p2wsh'].forEach(p => {
+['embed', 'p2ms', 'p2pk', 'p2pkh', 'p2sh', 'p2wpkh', 'p2wsh'].forEach(p => {
   describe(p, () => {
-    let fn
+    let fn: PaymentCreator;
-    let payment = require('../src/payments/' + p)
+    let payment = require('../src/payments/' + p);
     if (p === 'embed') {
-      fn = payment.p2data
+      fn = payment.p2data;
     } else {
-      fn = payment[p]
+      fn = payment[p];
     }
-    const fixtures = require('./fixtures/' + p)
+    const fixtures = require('./fixtures/' + p);
 
-    fixtures.valid.forEach((f, i) => {
+    fixtures.valid.forEach((f: any) => {
       it(f.description + ' as expected', () => {
-        const args = u.preform(f.arguments)
+        const args = u.preform(f.arguments);
-        const actual = fn(args, f.options)
+        const actual = fn(args, f.options);
 
-        u.equate(actual, f.expected, f.arguments)
+        u.equate(actual, f.expected, f.arguments);
-      })
+      });
 
       it(f.description + ' as expected (no validation)', () => {
-        const args = u.preform(f.arguments)
+        const args = u.preform(f.arguments);
-        const actual = fn(args, Object.assign({}, f.options, {
+        const actual = fn(
-          validate: false
+          args,
-        }))
+          Object.assign({}, f.options, {
+            validate: false,
+          }),
+        );
 
-        u.equate(actual, f.expected, f.arguments)
+        u.equate(actual, f.expected, f.arguments);
-      })
+      });
-    })
+    });
 
-    fixtures.invalid.forEach(f => {
+    fixtures.invalid.forEach((f: any) => {
-      it('throws ' + f.exception + (f.description ? ('for ' + f.description) : ''), () => {
+      it(
-        const args = u.preform(f.arguments)
+        'throws ' + f.exception + (f.description ? 'for ' + f.description : ''),
+        () => {
+          const args = u.preform(f.arguments);
 
-        assert.throws(() => {
+          assert.throws(() => {
-          fn(args, f.options)
+            fn(args, f.options);
-        }, new RegExp(f.exception))
+          }, new RegExp(f.exception));
-      })
+        },
-    })
+      );
+    });
 
     if (p === 'p2sh') {
-      const p2wsh = require('../src/payments/p2wsh').p2wsh
+      const p2wsh = require('../src/payments/p2wsh').p2wsh;
-      const p2pk = require('../src/payments/p2pk').p2pk
+      const p2pk = require('../src/payments/p2pk').p2pk;
       it('properly assembles nested p2wsh with names', () => {
         const actual = fn({
           redeem: p2wsh({
@@ -51,42 +57,57 @@ const u = require('./payments.utils')
               pubkey: Buffer.from(
                 '03e15819590382a9dd878f01e2f0cbce541564eb415e43b440472d883ecd283058',
                 'hex',
-              )
+              ),
-            })
+            }),
-          })
+          }),
-        })
+        });
-        assert.strictEqual(actual.address, '3MGbrbye4ttNUXM8WAvBFRKry4fkS9fjuw')
+        assert.strictEqual(
-        assert.strictEqual(actual.name, 'p2sh-p2wsh-p2pk')
+          actual.address,
-        assert.strictEqual(actual.redeem.name, 'p2wsh-p2pk')
+          '3MGbrbye4ttNUXM8WAvBFRKry4fkS9fjuw',
-        assert.strictEqual(actual.redeem.redeem.name, 'p2pk')
+        );
-      })
+        assert.strictEqual(actual.name, 'p2sh-p2wsh-p2pk');
+        assert.strictEqual(actual.redeem!.name, 'p2wsh-p2pk');
+        assert.strictEqual(actual.redeem!.redeem!.name, 'p2pk');
+      });
     }
 
     // cross-verify dynamically too
-    if (!fixtures.dynamic) return
+    if (!fixtures.dynamic) return;
-    const { depends, details } = fixtures.dynamic
+    const { depends, details } = fixtures.dynamic;
 
-    details.forEach(f => {
+    details.forEach((f: any) => {
-      const detail = u.preform(f)
+      const detail = u.preform(f);
-      const disabled = {}
+      const disabled: any = {};
-      if (f.disabled) f.disabled.forEach(k => { disabled[k] = true })
+      if (f.disabled)
+        f.disabled.forEach((k: string) => {
+          disabled[k] = true;
+        });
 
       for (let key in depends) {
-        if (key in disabled) continue
+        if (key in disabled) continue;
-        const dependencies = depends[key]
+        const dependencies = depends[key];
 
-        dependencies.forEach(dependency => {
+        dependencies.forEach((dependency: any) => {
-          if (!Array.isArray(dependency)) dependency = [dependency]
+          if (!Array.isArray(dependency)) dependency = [dependency];
 
-          const args = {}
+          const args = {};
-          dependency.forEach(d => { u.from(d, detail, args) })
+          dependency.forEach((d: any) => {
-          const expected = u.from(key, detail)
+            u.from(d, detail, args);
+          });
+          const expected = u.from(key, detail);
 
-          it(f.description + ', ' + key + ' derives from ' + JSON.stringify(dependency), () => {
+          it(
-            u.equate(fn(args), expected)
+            f.description +
-          })
+              ', ' +
-        })
+              key +
+              ' derives from ' +
+              JSON.stringify(dependency),
+            () => {
+              u.equate(fn(args), expected);
+            },
+          );
+        });
       }
-    })
+    });
-  })
+  });
-})
+});

test/payments.utils.spec.ts

@@ -1,134 +0,0 @@
-const t = require('assert')
-const bscript = require('../src/script')
-const BNETWORKS = require('../src/networks')
-
-function tryHex (x) {
-  if (Buffer.isBuffer(x)) return x.toString('hex')
-  if (Array.isArray(x)) return x.map(tryHex)
-  return x
-}
-
-function fromHex (x) {
-  if (typeof x === 'string') return Buffer.from(x, 'hex')
-  if (Array.isArray(x)) return x.map(fromHex)
-  return x
-}
-function tryASM (x) {
-  if (Buffer.isBuffer(x)) return bscript.toASM(x)
-  return x
-}
-function asmToBuffer (x) {
-  if (x === '') return Buffer.alloc(0)
-  return bscript.fromASM(x)
-}
-function carryOver (a, b) {
-  for (let k in b) {
-    if (k in a && k === 'redeem') {
-      carryOver(a[k], b[k])
-      continue
-    }
-
-    // don't, the value was specified
-    if (k in a) continue
-
-    // otherwise, expect match
-    a[k] = b[k]
-  }
-}
-
-function equateBase (a, b, context) {
-  if ('output' in b) t.strictEqual(tryASM(a.output), tryASM(b.output), `Inequal ${context}output`)
-  if ('input' in b) t.strictEqual(tryASM(a.input), tryASM(b.input), `Inequal ${context}input`)
-  if ('witness' in b) t.deepStrictEqual(tryHex(a.witness), tryHex(b.witness), `Inequal ${context}witness`)
-}
-
-function equate (a, b, args) {
-  b = Object.assign({}, b)
-  carryOver(b, args)
-
-  // by null, we mean 'undefined', but JSON
-  if (b.input === null) b.input = undefined
-  if (b.output === null) b.output = undefined
-  if (b.witness === null) b.witness = undefined
-  if (b.redeem) {
-    if (b.redeem.input === null) b.redeem.input = undefined
-    if (b.redeem.output === null) b.redeem.output = undefined
-    if (b.redeem.witness === null) b.redeem.witness = undefined
-  }
-
-  equateBase(a, b, '')
-  if (b.redeem) equateBase(a.redeem, b.redeem, 'redeem.')
-  if (b.network) t.deepStrictEqual(a.network, BNETWORKS[b.network], 'Inequal *.network')
-
-  // contextual
-  if (b.signature === null) b.signature = undefined
-  if (b.signatures === null) b.signatures = undefined
-  if ('address' in b) t.strictEqual(a.address, b.address, 'Inequal *.address')
-  if ('hash' in b) t.strictEqual(tryHex(a.hash), tryHex(b.hash), 'Inequal *.hash')
-  if ('pubkey' in b) t.strictEqual(tryHex(a.pubkey), tryHex(b.pubkey), 'Inequal *.pubkey')
-  if ('signature' in b) t.strictEqual(tryHex(a.signature), tryHex(b.signature), 'Inequal signature')
-  if ('m' in b) t.strictEqual(a.m, b.m, 'Inequal *.m')
-  if ('n' in b) t.strictEqual(a.n, b.n, 'Inequal *.n')
-  if ('pubkeys' in b) t.deepStrictEqual(tryHex(a.pubkeys), tryHex(b.pubkeys), 'Inequal *.pubkeys')
-  if ('signatures' in b) t.deepStrictEqual(tryHex(a.signatures), tryHex(b.signatures), 'Inequal *.signatures')
-  if ('data' in b) t.deepStrictEqual(tryHex(a.data), tryHex(b.data), 'Inequal *.data')
-}
-
-function preform (x) {
-  x = Object.assign({}, x)
-
-  if (x.network) x.network = BNETWORKS[x.network]
-  if (typeof x.inputHex === 'string') {
-    x.input = Buffer.from(x.inputHex, 'hex')
-    delete x.inputHex
-  }
-  if (typeof x.outputHex === 'string') {
-    x.output = Buffer.from(x.outputHex, 'hex')
-    delete x.outputHex
-  }
-  if (typeof x.output === 'string') x.output = asmToBuffer(x.output)
-  if (typeof x.input === 'string') x.input = asmToBuffer(x.input)
-  if (Array.isArray(x.witness)) x.witness = x.witness.map(fromHex)
-
-  if (x.data) x.data = x.data.map(fromHex)
-  if (x.hash) x.hash = Buffer.from(x.hash, 'hex')
-  if (x.pubkey) x.pubkey = Buffer.from(x.pubkey, 'hex')
-  if (x.signature) x.signature = Buffer.from(x.signature, 'hex')
-  if (x.pubkeys) x.pubkeys = x.pubkeys.map(fromHex)
-  if (x.signatures) x.signatures = x.signatures.map(y => { return Number.isFinite(y) ? y : Buffer.from(y, 'hex') })
-  if (x.redeem) {
-    x.redeem = Object.assign({}, x.redeem)
-    if (typeof x.redeem.input === 'string') x.redeem.input = asmToBuffer(x.redeem.input)
-    if (typeof x.redeem.output === 'string') x.redeem.output = asmToBuffer(x.redeem.output)
-    if (Array.isArray(x.redeem.witness)) x.redeem.witness = x.redeem.witness.map(fromHex)
-    if (x.redeem.network) x.redeem.network = BNETWORKS[x.redeem.network]
-  }
-
-  return x
-}
-
-function from (path, object, result) {
-  path = path.split('.')
-  result = result || {}
-
-  let r = result
-  path.forEach((k, i) => {
-    if (i < path.length - 1) {
-      r[k] = r[k] || {}
-
-      // recurse
-      r = r[k]
-      object = object[k]
-    } else {
-      r[k] = object[k]
-    }
-  })
-
-  return result
-}
-
-module.exports = {
-  from,
-  equate,
-  preform
-}

test/payments.utils.ts

@@ -0,0 +1,169 @@
+import * as t from 'assert';
+import * as bscript from '../src/script';
+import * as BNETWORKS from '../src/networks';
+
+function tryHex(x: Buffer | Buffer[]): string | string[] {
+  if (Buffer.isBuffer(x)) return x.toString('hex');
+  if (Array.isArray(x)) return x.map(tryHex) as string[];
+  return x;
+}
+
+function fromHex(x: string | string[]): Buffer | Buffer[] {
+  if (typeof x === 'string') return Buffer.from(x, 'hex');
+  if (Array.isArray(x)) return x.map(fromHex) as Buffer[];
+  return x;
+}
+function tryASM(x: Buffer): string {
+  if (Buffer.isBuffer(x)) return bscript.toASM(x);
+  return x;
+}
+function asmToBuffer(x: string) {
+  if (x === '') return Buffer.alloc(0);
+  return bscript.fromASM(x);
+}
+function carryOver(a: any, b: any) {
+  for (let k in b) {
+    if (k in a && k === 'redeem') {
+      carryOver(a[k], b[k]);
+      continue;
+    }
+
+    // don't, the value was specified
+    if (k in a) continue;
+
+    // otherwise, expect match
+    a[k] = b[k];
+  }
+}
+
+function equateBase(a: any, b: any, context: string) {
+  if ('output' in b)
+    t.strictEqual(
+      tryASM(a.output),
+      tryASM(b.output),
+      `Inequal ${context}output`,
+    );
+  if ('input' in b)
+    t.strictEqual(tryASM(a.input), tryASM(b.input), `Inequal ${context}input`);
+  if ('witness' in b)
+    t.deepStrictEqual(
+      tryHex(a.witness),
+      tryHex(b.witness),
+      `Inequal ${context}witness`,
+    );
+}
+
+export function equate(a: any, b: any, args?: any) {
+  b = Object.assign({}, b);
+  carryOver(b, args);
+
+  // by null, we mean 'undefined', but JSON
+  if (b.input === null) b.input = undefined;
+  if (b.output === null) b.output = undefined;
+  if (b.witness === null) b.witness = undefined;
+  if (b.redeem) {
+    if (b.redeem.input === null) b.redeem.input = undefined;
+    if (b.redeem.output === null) b.redeem.output = undefined;
+    if (b.redeem.witness === null) b.redeem.witness = undefined;
+  }
+
+  equateBase(a, b, '');
+  if (b.redeem) equateBase(a.redeem, b.redeem, 'redeem.');
+  if (b.network)
+    t.deepStrictEqual(
+      a.network,
+      (BNETWORKS as any)[b.network],
+      'Inequal *.network',
+    );
+
+  // contextual
+  if (b.signature === null) b.signature = undefined;
+  if (b.signatures === null) b.signatures = undefined;
+  if ('address' in b) t.strictEqual(a.address, b.address, 'Inequal *.address');
+  if ('hash' in b)
+    t.strictEqual(tryHex(a.hash), tryHex(b.hash), 'Inequal *.hash');
+  if ('pubkey' in b)
+    t.strictEqual(tryHex(a.pubkey), tryHex(b.pubkey), 'Inequal *.pubkey');
+  if ('signature' in b)
+    t.strictEqual(
+      tryHex(a.signature),
+      tryHex(b.signature),
+      'Inequal signature',
+    );
+  if ('m' in b) t.strictEqual(a.m, b.m, 'Inequal *.m');
+  if ('n' in b) t.strictEqual(a.n, b.n, 'Inequal *.n');
+  if ('pubkeys' in b)
+    t.deepStrictEqual(
+      tryHex(a.pubkeys),
+      tryHex(b.pubkeys),
+      'Inequal *.pubkeys',
+    );
+  if ('signatures' in b)
+    t.deepStrictEqual(
+      tryHex(a.signatures),
+      tryHex(b.signatures),
+      'Inequal *.signatures',
+    );
+  if ('data' in b)
+    t.deepStrictEqual(tryHex(a.data), tryHex(b.data), 'Inequal *.data');
+}
+
+export function preform(x: any) {
+  x = Object.assign({}, x);
+
+  if (x.network) x.network = (BNETWORKS as any)[x.network];
+  if (typeof x.inputHex === 'string') {
+    x.input = Buffer.from(x.inputHex, 'hex');
+    delete x.inputHex;
+  }
+  if (typeof x.outputHex === 'string') {
+    x.output = Buffer.from(x.outputHex, 'hex');
+    delete x.outputHex;
+  }
+  if (typeof x.output === 'string') x.output = asmToBuffer(x.output);
+  if (typeof x.input === 'string') x.input = asmToBuffer(x.input);
+  if (Array.isArray(x.witness)) x.witness = x.witness.map(fromHex);
+
+  if (x.data) x.data = x.data.map(fromHex);
+  if (x.hash) x.hash = Buffer.from(x.hash, 'hex');
+  if (x.pubkey) x.pubkey = Buffer.from(x.pubkey, 'hex');
+  if (x.signature) x.signature = Buffer.from(x.signature, 'hex');
+  if (x.pubkeys) x.pubkeys = x.pubkeys.map(fromHex);
+  if (x.signatures)
+    x.signatures = x.signatures.map((y: any) => {
+      return Number.isFinite(y) ? y : Buffer.from(y, 'hex');
+    });
+  if (x.redeem) {
+    x.redeem = Object.assign({}, x.redeem);
+    if (typeof x.redeem.input === 'string')
+      x.redeem.input = asmToBuffer(x.redeem.input);
+    if (typeof x.redeem.output === 'string')
+      x.redeem.output = asmToBuffer(x.redeem.output);
+    if (Array.isArray(x.redeem.witness))
+      x.redeem.witness = x.redeem.witness.map(fromHex);
+    if (x.redeem.network)
+      x.redeem.network = (BNETWORKS as any)[x.redeem.network];
+  }
+
+  return x;
+}
+
+export function from(path: string, object: any, result?: any) {
+  const paths = path.split('.');
+  result = result || {};
+
+  let r = result;
+  paths.forEach((k, i) => {
+    if (i < paths.length - 1) {
+      r[k] = r[k] || {};
+
+      // recurse
+      r = r[k];
+      object = object[k];
+    } else {
+      r[k] = object[k];
+    }
+  });
+
+  return result;
+}

test/script.spec.ts

@@ -1,157 +1,176 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bscript = require('../src/script')
+import * as bscript from '../src/script';
-const minimalData = require('minimaldata')
+import * as fixtures from './fixtures/script.json';
-
+import * as fixtures2 from './fixtures/templates.json';
-const fixtures = require('./fixtures/script.json')
+const minimalData = require('minimaldata');
-const fixtures2 = require('./fixtures/templates.json')
 
 describe('script', () => {
   // TODO
   describe('isCanonicalPubKey', () => {
     it('rejects if not provided a Buffer', () => {
-      assert.strictEqual(false, bscript.isCanonicalPubKey(0))
+      assert.strictEqual(false, bscript.isCanonicalPubKey(0 as any));
-    })
+    });
     it('rejects smaller than 33', () => {
       for (var i = 0; i < 33; i++) {
-        assert.strictEqual(false, bscript.isCanonicalPubKey(Buffer.from('', i)))
+        assert.strictEqual(
+          false,
+          bscript.isCanonicalPubKey(Buffer.allocUnsafe(i)),
+        );
       }
-    })
+    });
-  })
+  });
-  describe.skip('isCanonicalScriptSignature', () => {
+  describe.skip('isCanonicalScriptSignature', () => {});
-  })
 
   describe('fromASM/toASM', () => {
     fixtures.valid.forEach(f => {
       it('encodes/decodes ' + f.asm, () => {
-        const script = bscript.fromASM(f.asm)
+        const script = bscript.fromASM(f.asm);
-        assert.strictEqual(bscript.toASM(script), f.asm)
+        assert.strictEqual(bscript.toASM(script), f.asm);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.fromASM.forEach(f => {
       it('throws ' + f.description, () => {
         assert.throws(() => {
-          bscript.fromASM(f.script)
+          bscript.fromASM(f.script);
-        }, new RegExp(f.description))
+        }, new RegExp(f.description));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('fromASM/toASM (templates)', () => {
     fixtures2.valid.forEach(f => {
       if (f.inputHex) {
-        const ih = bscript.toASM(Buffer.from(f.inputHex, 'hex'))
+        const ih = bscript.toASM(Buffer.from(f.inputHex, 'hex'));
 
         it('encodes/decodes ' + ih, () => {
-          const script = bscript.fromASM(f.input)
+          const script = bscript.fromASM(f.input);
-          assert.strictEqual(script.toString('hex'), f.inputHex)
+          assert.strictEqual(script.toString('hex'), f.inputHex);
-          assert.strictEqual(bscript.toASM(script), f.input)
+          assert.strictEqual(bscript.toASM(script), f.input);
-        })
+        });
       }
 
       if (f.outputHex) {
         it('encodes/decodes ' + f.output, () => {
-          const script = bscript.fromASM(f.output)
+          const script = bscript.fromASM(f.output);
-          assert.strictEqual(script.toString('hex'), f.outputHex)
+          assert.strictEqual(script.toString('hex'), f.outputHex);
-          assert.strictEqual(bscript.toASM(script), f.output)
+          assert.strictEqual(bscript.toASM(script), f.output);
-        })
+        });
       }
-    })
+    });
-  })
+  });
 
   describe('isPushOnly', () => {
     fixtures.valid.forEach(f => {
       it('returns ' + !!f.stack + ' for ' + f.asm, () => {
-        const script = bscript.fromASM(f.asm)
+        const script = bscript.fromASM(f.asm);
-        const chunks = bscript.decompile(script)
+        const chunks = bscript.decompile(script);
 
-        assert.strictEqual(bscript.isPushOnly(chunks), !!f.stack)
+        assert.strictEqual(bscript.isPushOnly(chunks!), !!f.stack);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('toStack', () => {
     fixtures.valid.forEach(f => {
       it('returns ' + !!f.stack + ' for ' + f.asm, () => {
-        if (!f.stack || !f.asm) return
+        if (!f.stack || !f.asm) return;
 
-        const script = bscript.fromASM(f.asm)
+        const script = bscript.fromASM(f.asm);
 
-        const stack = bscript.toStack(script)
+        const stack = bscript.toStack(script);
-        assert.deepStrictEqual(stack.map(x => {
+        assert.deepStrictEqual(
-          return x.toString('hex')
+          stack.map(x => {
-        }), f.stack)
+            return x.toString('hex');
+          }),
+          f.stack,
+        );
 
-        assert.strictEqual(bscript.toASM(bscript.compile(stack)), f.asm, 'should rebuild same script from stack')
+        assert.strictEqual(
-      })
+          bscript.toASM(bscript.compile(stack)),
-    })
+          f.asm,
-  })
+          'should rebuild same script from stack',
+        );
+      });
+    });
+  });
 
   describe('compile (via fromASM)', () => {
     fixtures.valid.forEach(f => {
-      it('(' + f.type + ') compiles ' + f.asm, () => {
+      it('compiles ' + f.asm, () => {
-        const scriptSig = bscript.fromASM(f.asm)
+        const scriptSig = bscript.fromASM(f.asm);
 
-        assert.strictEqual(scriptSig.toString('hex'), f.script)
+        assert.strictEqual(scriptSig.toString('hex'), f.script);
 
         if (f.nonstandard) {
-          const scriptSigNS = bscript.fromASM(f.nonstandard.scriptSig)
+          const scriptSigNS = bscript.fromASM(f.nonstandard.scriptSig);
 
-          assert.strictEqual(scriptSigNS.toString('hex'), f.script)
+          assert.strictEqual(scriptSigNS.toString('hex'), f.script);
         }
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('decompile', () => {
     fixtures.valid.forEach(f => {
       it('decompiles ' + f.asm, () => {
-        const chunks = bscript.decompile(Buffer.from(f.script, 'hex'))
+        const chunks = bscript.decompile(Buffer.from(f.script, 'hex'));
 
-        assert.strictEqual(bscript.compile(chunks).toString('hex'), f.script)
+        assert.strictEqual(bscript.compile(chunks!).toString('hex'), f.script);
-        assert.strictEqual(bscript.toASM(chunks), f.asm)
+        assert.strictEqual(bscript.toASM(chunks!), f.asm);
 
         if (f.nonstandard) {
-          const chunksNS = bscript.decompile(Buffer.from(f.nonstandard.scriptSigHex, 'hex'))
+          const chunksNS = bscript.decompile(
+            Buffer.from(f.nonstandard.scriptSigHex, 'hex'),
+          );
 
-          assert.strictEqual(bscript.compile(chunksNS).toString('hex'), f.script)
+          assert.strictEqual(
+            bscript.compile(chunksNS!).toString('hex'),
+            f.script,
+          );
 
           // toASM converts verbatim, only `compile` transforms the script to a minimalpush compliant script
-          assert.strictEqual(bscript.toASM(chunksNS), f.nonstandard.scriptSig)
+          assert.strictEqual(bscript.toASM(chunksNS!), f.nonstandard.scriptSig);
         }
-      })
+      });
-    })
+    });
 
     fixtures.invalid.decompile.forEach(f => {
-      it('fails to decompile ' + f.script + ',  because "' + f.description + '"', () => {
+      it(
-        const chunks = bscript.decompile(Buffer.from(f.script, 'hex'))
+        'fails to decompile ' + f.script + ',  because "' + f.description + '"',
+        () => {
+          const chunks = bscript.decompile(Buffer.from(f.script, 'hex'));
 
-        assert.strictEqual(chunks, null)
+          assert.strictEqual(chunks, null);
-      })
+        },
-    })
+      );
-  })
+    });
+  });
 
   describe('SCRIPT_VERIFY_MINIMALDATA policy', () => {
     fixtures.valid.forEach(f => {
-      it('compliant for ' + f.type + ' scriptSig ' + f.asm, () => {
+      it('compliant for scriptSig ' + f.asm, () => {
-        const script = Buffer.from(f.script, 'hex')
+        const script = Buffer.from(f.script, 'hex');
 
-        assert(minimalData(script))
+        assert(minimalData(script));
-      })
+      });
-    })
+    });
 
-    function testEncodingForSize (i) {
+    function testEncodingForSize(i: number) {
       it('compliant for data PUSH of length ' + i, () => {
-        const buffer = Buffer.alloc(i)
+        const buffer = Buffer.alloc(i);
-        const script = bscript.compile([buffer])
+        const script = bscript.compile([buffer]);
 
-        assert(minimalData(script), 'Failed for ' + i + ' length script: ' + script.toString('hex'))
+        assert(
-      })
+          minimalData(script),
+          'Failed for ' + i + ' length script: ' + script.toString('hex'),
+        );
+      });
     }
 
     for (var i = 0; i < 520; ++i) {
-      testEncodingForSize(i)
+      testEncodingForSize(i);
     }
-  })
+  });
-})
+});

test/script_number.spec.ts

@@ -1,26 +1,26 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const scriptNumber = require('../src/script_number')
+import * as scriptNumber from '../src/script_number';
-const fixtures = require('./fixtures/script_number.json')
+import * as fixtures from './fixtures/script_number.json';
 
 describe('script-number', () => {
   describe('decode', () => {
     fixtures.forEach(f => {
       it(f.hex + ' returns ' + f.number, () => {
-        const actual = scriptNumber.decode(Buffer.from(f.hex, 'hex'), f.bytes)
+        const actual = scriptNumber.decode(Buffer.from(f.hex, 'hex'), f.bytes);
 
-        assert.strictEqual(actual, f.number)
+        assert.strictEqual(actual, f.number);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('encode', () => {
     fixtures.forEach(f => {
       it(f.number + ' returns ' + f.hex, () => {
-        const actual = scriptNumber.encode(f.number)
+        const actual = scriptNumber.encode(f.number);
 
-        assert.strictEqual(actual.toString('hex'), f.hex)
+        assert.strictEqual(actual.toString('hex'), f.hex);
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

test/script_signature.spec.ts

@@ -1,64 +1,63 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const bscriptSig = require('../src/script').signature
+import { signature as bscriptSig } from '../src/script';
-const Buffer = require('safe-buffer').Buffer
+import * as fixtures from './fixtures/signature.json';
-const fixtures = require('./fixtures/signature.json')
 
 describe('Script Signatures', () => {
-  function fromRaw (signature) {
+  function fromRaw(signature: { r: string; s: string }) {
-    return Buffer.concat([
+    return Buffer.concat(
-      Buffer.from(signature.r, 'hex'),
+      [Buffer.from(signature.r, 'hex'), Buffer.from(signature.s, 'hex')],
-      Buffer.from(signature.s, 'hex')
+      64,
-    ], 64)
+    );
   }
 
-  function toRaw (signature) {
+  function toRaw(signature: Buffer) {
     return {
       r: signature.slice(0, 32).toString('hex'),
-      s: signature.slice(32, 64).toString('hex')
+      s: signature.slice(32, 64).toString('hex'),
-    }
+    };
   }
 
   describe('encode', () => {
     fixtures.valid.forEach(f => {
       it('encodes ' + f.hex, () => {
-        const buffer = bscriptSig.encode(fromRaw(f.raw), f.hashType)
+        const buffer = bscriptSig.encode(fromRaw(f.raw), f.hashType);
 
-        assert.strictEqual(buffer.toString('hex'), f.hex)
+        assert.strictEqual(buffer.toString('hex'), f.hex);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.forEach(f => {
-      if (!f.raw) return
+      if (!f.raw) return;
 
       it('throws ' + f.exception, () => {
-        const signature = fromRaw(f.raw)
+        const signature = fromRaw(f.raw);
 
         assert.throws(() => {
-          bscriptSig.encode(signature, f.hashType)
+          bscriptSig.encode(signature, f.hashType);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('decode', () => {
     fixtures.valid.forEach(f => {
       it('decodes ' + f.hex, () => {
-        const decode = bscriptSig.decode(Buffer.from(f.hex, 'hex'))
+        const decode = bscriptSig.decode(Buffer.from(f.hex, 'hex'));
 
-        assert.deepStrictEqual(toRaw(decode.signature), f.raw)
+        assert.deepStrictEqual(toRaw(decode.signature), f.raw);
-        assert.strictEqual(decode.hashType, f.hashType)
+        assert.strictEqual(decode.hashType, f.hashType);
-      })
+      });
-    })
+    });
 
     fixtures.invalid.forEach(f => {
       it('throws on ' + f.hex, () => {
-        const buffer = Buffer.from(f.hex, 'hex')
+        const buffer = Buffer.from(f.hex, 'hex');
 
         assert.throws(() => {
-          bscriptSig.decode(buffer)
+          bscriptSig.decode(buffer);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

test/transaction.spec.ts

@@ -1,288 +1,338 @@
-const { describe, it, beforeEach } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { beforeEach, describe, it } from 'mocha';
-const bscript = require('../src/script')
+import { Transaction } from '..';
-const fixtures = require('./fixtures/transaction')
+import * as bscript from '../src/script';
-const Transaction = require('..').Transaction
+import * as fixtures from './fixtures/transaction.json';
 
 describe('Transaction', () => {
-  function fromRaw (raw, noWitness) {
+  function fromRaw(raw: any, noWitness?: boolean) {
-    const tx = new Transaction()
+    const tx = new Transaction();
-    tx.version = raw.version
+    tx.version = raw.version;
-    tx.locktime = raw.locktime
+    tx.locktime = raw.locktime;
 
-    raw.ins.forEach((txIn, i) => {
+    raw.ins.forEach((txIn: any, i: number) => {
-      const txHash = Buffer.from(txIn.hash, 'hex')
+      const txHash = Buffer.from(txIn.hash, 'hex');
-      let scriptSig
+      let scriptSig;
 
       if (txIn.data) {
-        scriptSig = Buffer.from(txIn.data, 'hex')
+        scriptSig = Buffer.from(txIn.data, 'hex');
       } else if (txIn.script) {
-        scriptSig = bscript.fromASM(txIn.script)
+        scriptSig = bscript.fromASM(txIn.script);
       }
 
-      tx.addInput(txHash, txIn.index, txIn.sequence, scriptSig)
+      tx.addInput(txHash, txIn.index, txIn.sequence, scriptSig);
 
       if (!noWitness && txIn.witness) {
-        const witness = txIn.witness.map(x => {
+        const witness = txIn.witness.map((x: string) => {
-          return Buffer.from(x, 'hex')
+          return Buffer.from(x, 'hex');
-        })
+        });
 
-        tx.setWitness(i, witness)
+        tx.setWitness(i, witness);
       }
-    })
+    });
 
-    raw.outs.forEach(txOut => {
+    raw.outs.forEach((txOut: any) => {
-      let script
+      let script: Buffer;
 
       if (txOut.data) {
-        script = Buffer.from(txOut.data, 'hex')
+        script = Buffer.from(txOut.data, 'hex');
       } else if (txOut.script) {
-        script = bscript.fromASM(txOut.script)
+        script = bscript.fromASM(txOut.script);
       }
 
-      tx.addOutput(script, txOut.value)
+      tx.addOutput(script!, txOut.value);
-    })
+    });
 
-    return tx
+    return tx;
   }
 
   describe('fromBuffer/fromHex', () => {
-    function importExport (f) {
+    function importExport(f: any) {
-      const id = f.id || f.hash
+      const id = f.id || f.hash;
-      const txHex = f.hex || f.txHex
+      const txHex = f.hex || f.txHex;
 
       it('imports ' + f.description + ' (' + id + ')', () => {
-        const actual = Transaction.fromHex(txHex)
+        const actual = Transaction.fromHex(txHex);
 
-        assert.strictEqual(actual.toHex(), txHex)
+        assert.strictEqual(actual.toHex(), txHex);
-      })
+      });
 
       if (f.whex) {
         it('imports ' + f.description + ' (' + id + ') as witness', () => {
-          const actual = Transaction.fromHex(f.whex)
+          const actual = Transaction.fromHex(f.whex);
 
-          assert.strictEqual(actual.toHex(), f.whex)
+          assert.strictEqual(actual.toHex(), f.whex);
-        })
+        });
       }
     }
 
-    fixtures.valid.forEach(importExport)
+    fixtures.valid.forEach(importExport);
-    fixtures.hashForSignature.forEach(importExport)
+    fixtures.hashForSignature.forEach(importExport);
-    fixtures.hashForWitnessV0.forEach(importExport)
+    fixtures.hashForWitnessV0.forEach(importExport);
 
     fixtures.invalid.fromBuffer.forEach(f => {
       it('throws on ' + f.exception, () => {
         assert.throws(() => {
-          Transaction.fromHex(f.hex)
+          Transaction.fromHex(f.hex);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
 
     it('.version should be interpreted as an int32le', () => {
-      const txHex = 'ffffffff0000ffffffff'
+      const txHex = 'ffffffff0000ffffffff';
-      const tx = Transaction.fromHex(txHex)
+      const tx = Transaction.fromHex(txHex);
-      assert.strictEqual(-1, tx.version)
+      assert.strictEqual(-1, tx.version);
-      assert.strictEqual(0xffffffff, tx.locktime)
+      assert.strictEqual(0xffffffff, tx.locktime);
-    })
+    });
-  })
+  });
 
   describe('toBuffer/toHex', () => {
     fixtures.valid.forEach(f => {
       it('exports ' + f.description + ' (' + f.id + ')', () => {
-        const actual = fromRaw(f.raw, true)
+        const actual = fromRaw(f.raw, true);
-        assert.strictEqual(actual.toHex(), f.hex)
+        assert.strictEqual(actual.toHex(), f.hex);
-      })
+      });
 
       if (f.whex) {
         it('exports ' + f.description + ' (' + f.id + ') as witness', () => {
-          const wactual = fromRaw(f.raw)
+          const wactual = fromRaw(f.raw);
-          assert.strictEqual(wactual.toHex(), f.whex)
+          assert.strictEqual(wactual.toHex(), f.whex);
-        })
+        });
       }
-    })
+    });
 
     it('accepts target Buffer and offset parameters', () => {
-      const f = fixtures.valid[0]
+      const f = fixtures.valid[0];
-      const actual = fromRaw(f.raw)
+      const actual = fromRaw(f.raw);
-      const byteLength = actual.byteLength()
+      const byteLength = actual.byteLength();
 
-      const target = Buffer.alloc(byteLength * 2)
+      const target = Buffer.alloc(byteLength * 2);
-      const a = actual.toBuffer(target, 0)
+      const a = actual.toBuffer(target, 0);
-      const b = actual.toBuffer(target, byteLength)
+      const b = actual.toBuffer(target, byteLength);
 
-      assert.strictEqual(a.length, byteLength)
+      assert.strictEqual(a.length, byteLength);
-      assert.strictEqual(b.length, byteLength)
+      assert.strictEqual(b.length, byteLength);
-      assert.strictEqual(a.toString('hex'), f.hex)
+      assert.strictEqual(a.toString('hex'), f.hex);
-      assert.strictEqual(b.toString('hex'), f.hex)
+      assert.strictEqual(b.toString('hex'), f.hex);
-      assert.deepStrictEqual(a, b)
+      assert.deepStrictEqual(a, b);
-      assert.deepStrictEqual(a, target.slice(0, byteLength))
+      assert.deepStrictEqual(a, target.slice(0, byteLength));
-      assert.deepStrictEqual(b, target.slice(byteLength))
+      assert.deepStrictEqual(b, target.slice(byteLength));
-    })
+    });
-  })
+  });
 
   describe('hasWitnesses', () => {
     fixtures.valid.forEach(f => {
-      it('detects if the transaction has witnesses: ' + (f.whex ? 'true' : 'false'), () => {
+      it(
-        assert.strictEqual(Transaction.fromHex(f.whex ? f.whex : f.hex).hasWitnesses(), !!f.whex)
+        'detects if the transaction has witnesses: ' +
-      })
+          (f.whex ? 'true' : 'false'),
-    })
+        () => {
-  })
+          assert.strictEqual(
+            Transaction.fromHex(f.whex ? f.whex : f.hex).hasWitnesses(),
+            !!f.whex,
+          );
+        },
+      );
+    });
+  });
 
   describe('weight/virtualSize', () => {
     it('computes virtual size', () => {
       fixtures.valid.forEach(f => {
-        const transaction = Transaction.fromHex(f.whex ? f.whex : f.hex)
+        const transaction = Transaction.fromHex(f.whex ? f.whex : f.hex);
 
-        assert.strictEqual(transaction.virtualSize(), f.virtualSize)
+        assert.strictEqual(transaction.virtualSize(), f.virtualSize);
-      })
+      });
-    })
+    });
 
     it('computes weight', () => {
       fixtures.valid.forEach(f => {
-        const transaction = Transaction.fromHex(f.whex ? f.whex : f.hex)
+        const transaction = Transaction.fromHex(f.whex ? f.whex : f.hex);
 
-        assert.strictEqual(transaction.weight(), f.weight)
+        assert.strictEqual(transaction.weight(), f.weight);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('addInput', () => {
-    let prevTxHash
+    let prevTxHash: Buffer;
     beforeEach(() => {
-      prevTxHash = Buffer.from('ffffffff00ffff000000000000000000000000000000000000000000101010ff', 'hex')
+      prevTxHash = Buffer.from(
-    })
+        'ffffffff00ffff000000000000000000000000000000000000000000101010ff',
+        'hex',
+      );
+    });
 
     it('returns an index', () => {
-      const tx = new Transaction()
+      const tx = new Transaction();
-      assert.strictEqual(tx.addInput(prevTxHash, 0), 0)
+      assert.strictEqual(tx.addInput(prevTxHash, 0), 0);
-      assert.strictEqual(tx.addInput(prevTxHash, 0), 1)
+      assert.strictEqual(tx.addInput(prevTxHash, 0), 1);
-    })
+    });
 
     it('defaults to empty script, witness and 0xffffffff SEQUENCE number', () => {
-      const tx = new Transaction()
+      const tx = new Transaction();
-      tx.addInput(prevTxHash, 0)
+      tx.addInput(prevTxHash, 0);
 
-      assert.strictEqual(tx.ins[0].script.length, 0)
+      assert.strictEqual(tx.ins[0].script.length, 0);
-      assert.strictEqual(tx.ins[0].witness.length, 0)
+      assert.strictEqual(tx.ins[0].witness.length, 0);
-      assert.strictEqual(tx.ins[0].sequence, 0xffffffff)
+      assert.strictEqual(tx.ins[0].sequence, 0xffffffff);
-    })
+    });
 
     fixtures.invalid.addInput.forEach(f => {
       it('throws on ' + f.exception, () => {
-        const tx = new Transaction()
+        const tx = new Transaction();
-        const hash = Buffer.from(f.hash, 'hex')
+        const hash = Buffer.from(f.hash, 'hex');
 
         assert.throws(() => {
-          tx.addInput(hash, f.index)
+          tx.addInput(hash, f.index);
-        }, new RegExp(f.exception))
+        }, new RegExp(f.exception));
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('addOutput', () => {
     it('returns an index', () => {
-      const tx = new Transaction()
+      const tx = new Transaction();
-      assert.strictEqual(tx.addOutput(Buffer.alloc(0), 0), 0)
+      assert.strictEqual(tx.addOutput(Buffer.alloc(0), 0), 0);
-      assert.strictEqual(tx.addOutput(Buffer.alloc(0), 0), 1)
+      assert.strictEqual(tx.addOutput(Buffer.alloc(0), 0), 1);
-    })
+    });
-  })
+  });
 
   describe('clone', () => {
     fixtures.valid.forEach(f => {
-      let actual
+      let actual: Transaction;
-      let expected
+      let expected: Transaction;
 
       beforeEach(() => {
-        expected = Transaction.fromHex(f.hex)
+        expected = Transaction.fromHex(f.hex);
-        actual = expected.clone()
+        actual = expected.clone();
-      })
+      });
 
       it('should have value equality', () => {
-        assert.deepStrictEqual(actual, expected)
+        assert.deepStrictEqual(actual, expected);
-      })
+      });
 
       it('should not have reference equality', () => {
-        assert.notStrictEqual(actual, expected)
+        assert.notStrictEqual(actual, expected);
-      })
+      });
-    })
+    });
-  })
+  });
 
   describe('getHash/getId', () => {
-    function verify (f) {
+    function verify(f: any) {
       it('should return the id for ' + f.id + '(' + f.description + ')', () => {
-        const tx = Transaction.fromHex(f.whex || f.hex)
+        const tx = Transaction.fromHex(f.whex || f.hex);
 
-        assert.strictEqual(tx.getHash().toString('hex'), f.hash)
+        assert.strictEqual(tx.getHash().toString('hex'), f.hash);
-        assert.strictEqual(tx.getId(), f.id)
+        assert.strictEqual(tx.getId(), f.id);
-      })
+      });
     }
 
-    fixtures.valid.forEach(verify)
+    fixtures.valid.forEach(verify);
-  })
+  });
 
   describe('isCoinbase', () => {
-    function verify (f) {
+    function verify(f: any) {
-      it('should return ' + f.coinbase + ' for ' + f.id + '(' + f.description + ')', () => {
+      it(
-        const tx = Transaction.fromHex(f.hex)
+        'should return ' +
+          f.coinbase +
+          ' for ' +
+          f.id +
+          '(' +
+          f.description +
+          ')',
+        () => {
+          const tx = Transaction.fromHex(f.hex);
 
-        assert.strictEqual(tx.isCoinbase(), f.coinbase)
+          assert.strictEqual(tx.isCoinbase(), f.coinbase);
-      })
+        },
+      );
     }
 
-    fixtures.valid.forEach(verify)
+    fixtures.valid.forEach(verify);
-  })
+  });
 
   describe('hashForSignature', () => {
     it('does not use Witness serialization', () => {
-      const randScript = Buffer.from('6a', 'hex')
+      const randScript = Buffer.from('6a', 'hex');
 
-      const tx = new Transaction()
+      const tx = new Transaction();
-      tx.addInput(Buffer.from('0000000000000000000000000000000000000000000000000000000000000000', 'hex'), 0)
+      tx.addInput(
-      tx.addOutput(randScript, 5000000000)
+        Buffer.from(
+          '0000000000000000000000000000000000000000000000000000000000000000',
+          'hex',
+        ),
+        0,
+      );
+      tx.addOutput(randScript, 5000000000);
 
-      const original = tx.__toBuffer
+      const original = (tx as any).__toBuffer;
-      tx.__toBuffer = (a, b, c) => {
+      (tx as any).__toBuffer = function(
-        if (c !== false) throw new Error('hashForSignature MUST pass false')
+        this: Transaction,
+        a: any,
+        b: any,
+        c: any,
+      ): any {
+        if (c !== false) throw new Error('hashForSignature MUST pass false');
 
-        return original.call(this, a, b, c)
+        return original.call(this, a, b, c);
-      }
+      };
 
       assert.throws(() => {
-        tx.__toBuffer(undefined, undefined, true)
+        (tx as any).__toBuffer(undefined, undefined, true);
-      }, /hashForSignature MUST pass false/)
+      }, /hashForSignature MUST pass false/);
 
       // assert hashForSignature does not pass false
       assert.doesNotThrow(() => {
-        tx.hashForSignature(0, randScript, 1)
+        tx.hashForSignature(0, randScript, 1);
-      })
+      });
-    })
+    });
 
     fixtures.hashForSignature.forEach(f => {
-      it('should return ' + f.hash + ' for ' + (f.description ? ('case "' + f.description + '"') : f.script), () => {
+      it(
-        const tx = Transaction.fromHex(f.txHex)
+        'should return ' +
-        const script = bscript.fromASM(f.script)
+          f.hash +
+          ' for ' +
+          (f.description ? 'case "' + f.description + '"' : f.script),
+        () => {
+          const tx = Transaction.fromHex(f.txHex);
+          const script = bscript.fromASM(f.script);
 
-        assert.strictEqual(tx.hashForSignature(f.inIndex, script, f.type).toString('hex'), f.hash)
+          assert.strictEqual(
-      })
+            tx.hashForSignature(f.inIndex, script, f.type).toString('hex'),
-    })
+            f.hash,
-  })
+          );
+        },
+      );
+    });
+  });
 
   describe('hashForWitnessV0', () => {
     fixtures.hashForWitnessV0.forEach(f => {
-      it('should return ' + f.hash + ' for ' + (f.description ? ('case "' + f.description + '"') : ''), () => {
+      it(
-        const tx = Transaction.fromHex(f.txHex)
+        'should return ' +
-        const script = bscript.fromASM(f.script)
+          f.hash +
+          ' for ' +
+          (f.description ? 'case "' + f.description + '"' : ''),
+        () => {
+          const tx = Transaction.fromHex(f.txHex);
+          const script = bscript.fromASM(f.script);
 
-        assert.strictEqual(tx.hashForWitnessV0(f.inIndex, script, f.value, f.type).toString('hex'), f.hash)
+          assert.strictEqual(
-      })
+            tx
-    })
+              .hashForWitnessV0(f.inIndex, script, f.value, f.type)
-  })
+              .toString('hex'),
+            f.hash,
+          );
+        },
+      );
+    });
+  });
 
   describe('setWitness', () => {
     it('only accepts a a witness stack (Array of Buffers)', () => {
       assert.throws(() => {
-        (new Transaction()).setWitness(0, 'foobar')
+        (new Transaction().setWitness as any)(0, 'foobar');
-      }, /Expected property "1" of type \[Buffer], got String "foobar"/)
+      }, /Expected property "1" of type \[Buffer], got String "foobar"/);
-    })
+    });
-  })
+  });
-})
+});

test/ts-node-register.js

@@ -0,0 +1,5 @@
+// This file is required to run mocha tests on the TS files directly
+
+require("ts-node").register({
+  project: "test/tsconfig.json",
+});

test/tsconfig.json

@@ -0,0 +1,40 @@
+{
+  "compilerOptions": {
+    "target": "ES2017",
+    "module": "commonjs",
+    "outDir": "../",
+    "declaration": false,
+    "rootDir": "../",
+    "rootDirs": [
+      "../src",
+      "../types"
+    ],
+    "types": [
+      "node",
+      "mocha"
+    ],
+    "allowJs": false,
+    "resolveJsonModule": true,
+    "strict": true,
+    "noImplicitAny": true,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "strictBindCallApply": true,
+    "strictPropertyInitialization": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    "esModuleInterop": false,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "baseUrl": ".",
+    "paths": {
+      "../src/*": ["../ts_src/*"]
+    }
+  },
+  "include": [
+      "./**/*.ts"
+  ],
+  "exclude": [
+      "../ts_src/**/*.ts"
+  ]
+}

test/types.spec.ts

@@ -1,38 +1,44 @@
-const { describe, it } = require('mocha')
+import * as assert from 'assert';
-const assert = require('assert')
+import { describe, it } from 'mocha';
-const types = require('../src/types')
+import * as types from '../src/types';
-const typeforce = require('typeforce')
+const typeforce = require('typeforce');
 
 describe('types', () => {
   describe('Buffer Hash160/Hash256', () => {
-    const buffer20byte = Buffer.alloc(20)
+    const buffer20byte = Buffer.alloc(20);
-    const buffer32byte = Buffer.alloc(32)
+    const buffer32byte = Buffer.alloc(32);
 
     it('return true for valid size', () => {
-      assert(types.Hash160bit(buffer20byte))
+      assert(types.Hash160bit(buffer20byte));
-      assert(types.Hash256bit(buffer32byte))
+      assert(types.Hash256bit(buffer32byte));
-    })
+    });
 
     it('return true for oneOf', () => {
       assert.doesNotThrow(() => {
-        typeforce(types.oneOf(types.Hash160bit, types.Hash256bit), buffer32byte)
+        typeforce(
-      })
+          types.oneOf(types.Hash160bit, types.Hash256bit),
+          buffer32byte,
+        );
+      });
 
       assert.doesNotThrow(() => {
-        typeforce(types.oneOf(types.Hash256bit, types.Hash160bit), buffer32byte)
+        typeforce(
-      })
+          types.oneOf(types.Hash256bit, types.Hash160bit),
-    })
+          buffer32byte,
+        );
+      });
+    });
 
     it('throws for invalid size', () => {
       assert.throws(() => {
-        types.Hash160bit(buffer32byte)
+        types.Hash160bit(buffer32byte);
-      }, /Expected Buffer\(Length: 20\), got Buffer\(Length: 32\)/)
+      }, /Expected Buffer\(Length: 20\), got Buffer\(Length: 32\)/);
 
       assert.throws(() => {
-        types.Hash256bit(buffer20byte)
+        types.Hash256bit(buffer20byte);
-      }, /Expected Buffer\(Length: 32\), got Buffer\(Length: 20\)/)
+      }, /Expected Buffer\(Length: 32\), got Buffer\(Length: 20\)/);
-    })
+    });
-  })
+  });
 
   describe('Satoshi', () => {
     [
@@ -41,11 +47,11 @@ describe('types', () => {
       { value: 1, result: true },
       { value: 20999999 * 1e8, result: true },
       { value: 21000000 * 1e8, result: true },
-      { value: 21000001 * 1e8, result: false }
+      { value: 21000001 * 1e8, result: false },
     ].forEach(f => {
       it('returns ' + f.result + ' for valid for ' + f.value, () => {
-        assert.strictEqual(types.Satoshi(f.value), f.result)
+        assert.strictEqual(types.Satoshi(f.value), f.result);
-      })
+      });
-    })
+    });
-  })
+  });
-})
+});

ts_src/block.ts

@@ -148,7 +148,7 @@ export class Block {
     return anyTxHasWitness(this.transactions!);
   }
 
-  byteLength(headersOnly: boolean): number {
+  byteLength(headersOnly?: boolean): number {
     if (headersOnly || !this.transactions) return 80;
 
     return (
@@ -174,7 +174,7 @@ export class Block {
   }
 
   // TODO: buffer, offset compatibility
-  toBuffer(headersOnly: boolean): Buffer {
+  toBuffer(headersOnly?: boolean): Buffer {
     const buffer: Buffer = Buffer.allocUnsafe(this.byteLength(headersOnly));
 
     let offset: number = 0;
@@ -213,7 +213,7 @@ export class Block {
     return buffer;
   }
 
-  toHex(headersOnly: boolean): string {
+  toHex(headersOnly?: boolean): string {
     return this.toBuffer(headersOnly).toString('hex');
   }
 

ts_src/classify.ts

@@ -38,7 +38,7 @@ function classifyOutput(script: Buffer): string {
   return types.NONSTANDARD;
 }
 
-function classifyInput(script: Buffer, allowIncomplete: boolean): string {
+function classifyInput(script: Buffer, allowIncomplete?: boolean): string {
   // XXX: optimization, below functions .decompile before use
   const chunks = decompile(script);
   if (!chunks) throw new TypeError('Invalid script');
@@ -51,7 +51,7 @@ function classifyInput(script: Buffer, allowIncomplete: boolean): string {
   return types.NONSTANDARD;
 }
 
-function classifyWitness(script: Buffer[], allowIncomplete: boolean): string {
+function classifyWitness(script: Buffer[], allowIncomplete?: boolean): string {
   // XXX: optimization, below functions .decompile before use
   const chunks = decompile(script);
   if (!chunks) throw new TypeError('Invalid script');

ts_src/index.ts

@@ -17,6 +17,12 @@ export { TransactionBuilder } from './transaction_builder';
 export { BIP32Interface } from 'bip32';
 export { ECPairInterface, Signer, SignerAsync } from './ecpair';
 export { Network } from './networks';
-export { Payment, PaymentOpts, Stack, StackElement } from './payments';
+export {
+  Payment,
+  PaymentCreator,
+  PaymentOpts,
+  Stack,
+  StackElement,
+} from './payments';
 export { OpCode } from './script';
 export { Input as TxInput, Output as TxOutput } from './transaction';

ts_src/payments/index.ts

@@ -25,6 +25,8 @@ export interface Payment {
   witness?: Buffer[];
 }
 
+export type PaymentCreator = (a: Payment, opts?: PaymentOpts) => Payment;
+
 export type PaymentFunction = () => Payment;
 
 export interface PaymentOpts {

tslint.json

@@ -16,7 +16,7 @@
     "no-bitwise": false,
     "no-console": false,
     "no-empty": [true, "allow-empty-catch"],
-    "no-implicit-dependencies": true,
+    "no-implicit-dependencies": [true, "dev"],
     "no-return-await": true,
     "no-var-requires": false,
     "no-unused-expression": false,

types/block.d.ts

@@ -16,12 +16,12 @@ export declare class Block {
     getWitnessCommit(): Buffer | null;
     hasWitnessCommit(): boolean;
     hasWitness(): boolean;
-    byteLength(headersOnly: boolean): number;
+    byteLength(headersOnly?: boolean): number;
     getHash(): Buffer;
     getId(): string;
     getUTCDate(): Date;
-    toBuffer(headersOnly: boolean): Buffer;
+    toBuffer(headersOnly?: boolean): Buffer;
-    toHex(headersOnly: boolean): string;
+    toHex(headersOnly?: boolean): string;
     checkTxRoots(): boolean;
     checkProofOfWork(): boolean;
     private __checkMerkleRoot;

types/classify.d.ts

@@ -11,6 +11,6 @@ declare const types: {
     WITNESS_COMMITMENT: string;
 };
 declare function classifyOutput(script: Buffer): string;
-declare function classifyInput(script: Buffer, allowIncomplete: boolean): string;
+declare function classifyInput(script: Buffer, allowIncomplete?: boolean): string;
-declare function classifyWitness(script: Buffer[], allowIncomplete: boolean): string;
+declare function classifyWitness(script: Buffer[], allowIncomplete?: boolean): string;
 export { classifyInput as input, classifyOutput as output, classifyWitness as witness, types, };

types/index.d.ts

@@ -14,6 +14,6 @@ export { TransactionBuilder } from './transaction_builder';
 export { BIP32Interface } from 'bip32';
 export { ECPairInterface, Signer, SignerAsync } from './ecpair';
 export { Network } from './networks';
-export { Payment, PaymentOpts, Stack, StackElement } from './payments';
+export { Payment, PaymentCreator, PaymentOpts, Stack, StackElement, } from './payments';
 export { OpCode } from './script';
 export { Input as TxInput, Output as TxOutput } from './transaction';

types/payments/index.d.ts

@@ -24,6 +24,7 @@ export interface Payment {
     redeem?: Payment;
     witness?: Buffer[];
 }
+export declare type PaymentCreator = (a: Payment, opts?: PaymentOpts) => Payment;
 export declare type PaymentFunction = () => Payment;
 export interface PaymentOpts {
     validate?: boolean;