Add name attribute to Payments

ts_src/payments/embed.ts

@@ -29,7 +29,7 @@ export function p2data(a: Payment, opts?: PaymentOpts): Payment {
   );
 
   const network = a.network || BITCOIN_NETWORK;
-  const o = { network } as Payment;
+  const o = { name: 'embed', network } as Payment;
 
   lazy.prop(o, 'output', () => {
     if (!a.data) return;

ts_src/payments/index.ts

@@ -8,6 +8,7 @@ import { p2wpkh } from './p2wpkh';
 import { p2wsh } from './p2wsh';
 
 export interface Payment {
+  name?: string;
   network?: Network;
   output?: Buffer;
   data?: Buffer[];

ts_src/payments/p2ms.ts

@@ -102,6 +102,10 @@ export function p2ms(a: Payment, opts?: PaymentOpts): Payment {
     if (!o.input) return;
     return [];
   });
+  lazy.prop(o, 'name', () => {
+    if (!o.m || !o.n) return;
+    return `p2ms(${o.m} of ${o.n})`;
+  });
 
   // extended validation
   if (opts.validate) {

ts_src/payments/p2pk.ts

@@ -30,7 +30,7 @@ export function p2pk(a: Payment, opts?: PaymentOpts): Payment {
   }) as StackFunction;
 
   const network = a.network || BITCOIN_NETWORK;
-  const o: Payment = { network };
+  const o: Payment = { name: 'p2pk', network };
 
   lazy.prop(o, 'output', () => {
     if (!a.pubkey) return;

ts_src/payments/p2pkh.ts

@@ -41,7 +41,7 @@ export function p2pkh(a: Payment, opts?: PaymentOpts): Payment {
   }) as StackFunction;
 
   const network = a.network || BITCOIN_NETWORK;
-  const o: Payment = { network };
+  const o: Payment = { name: 'p2pkh', network };
 
   lazy.prop(o, 'address', () => {
     if (!o.hash) return;

ts_src/payments/p2sh.ts

@@ -116,6 +116,11 @@ export function p2sh(a: Payment, opts?: PaymentOpts): Payment {
     if (o.redeem && o.redeem.witness) return o.redeem.witness;
     if (o.input) return [];
   });
+  lazy.prop(o, 'name', () => {
+    const nameParts = ['p2sh'];
+    if (o.redeem !== undefined) nameParts.push(o.redeem.name!);
+    return nameParts.join('-');
+  });
 
   if (opts.validate) {
     let hash: Buffer = Buffer.from([]);

ts_src/payments/p2wpkh.ts

@@ -45,7 +45,7 @@ export function p2wpkh(a: Payment, opts?: PaymentOpts): Payment {
   });
 
   const network = a.network || BITCOIN_NETWORK;
-  const o: Payment = { network };
+  const o: Payment = { name: 'p2wpkh', network };
 
   lazy.prop(o, 'address', () => {
     if (!o.hash) return;

ts_src/payments/p2wsh.ts

@@ -116,6 +116,11 @@ export function p2wsh(a: Payment, opts?: PaymentOpts): Payment {
     if (!a.redeem.witness) return;
     return ([] as Buffer[]).concat(a.redeem.witness, a.redeem.output);
   });
+  lazy.prop(o, 'name', () => {
+    const nameParts = ['p2wsh'];
+    if (o.redeem !== undefined) nameParts.push(o.redeem.name!);
+    return nameParts.join('-');
+  });
 
   // extended validation
   if (opts.validate) {