Commit js, ts, and definitions in separate folders

ts_src/templates/witnessscripthash/input.ts

@@ -0,0 +1,36 @@
+// <scriptSig> {serialized scriptPubKey script}
+
+import * as bscript from '../../script'
+const typeforce = require('typeforce')
+
+import * as p2ms from '../multisig'
+import * as p2pk from '../pubkey'
+import * as p2pkh from '../pubkeyhash'
+
+export function check (chunks: Array<Buffer>, allowIncomplete?: boolean): boolean {
+  typeforce(typeforce.Array, chunks)
+  if (chunks.length < 1) return false
+
+  const witnessScript = chunks[chunks.length - 1]
+  if (!Buffer.isBuffer(witnessScript)) return false
+
+  const witnessScriptChunks = bscript.decompile(witnessScript)
+
+  // is witnessScript a valid script?
+  if (!witnessScriptChunks || witnessScriptChunks.length === 0) return false
+
+  const witnessRawScriptSig = bscript.compile(chunks.slice(0, -1))
+
+  // match types
+  if (p2pkh.input.check(witnessRawScriptSig) &&
+    p2pkh.output.check(witnessScriptChunks)) return true
+
+  if (p2ms.input.check(witnessRawScriptSig, allowIncomplete) &&
+    p2ms.output.check(witnessScriptChunks)) return true
+
+  if (p2pk.input.check(witnessRawScriptSig) &&
+    p2pk.output.check(witnessScriptChunks)) return true
+
+  return false
+}
+check.toJSON = function () { return 'witnessScriptHash input' }