REF: convert wallet class to typescript

blue_modules/BlueElectrum.d.ts

@@ -22,6 +22,7 @@ export type ElectrumTransaction = {
     txinwitness: string[];
     sequence: number;
     addresses?: string[];
+    value?: number;
   }[];
   vout: {
     value: number;
@@ -64,6 +65,14 @@ export function multiGetTransactionByTxid(
 ): Promise<Record<string, ElectrumTransaction>>;
 export function multiGetTransactionByTxid(txIds: string[], batchsize: number, verbose: false): Promise<Record<string, string>>;
 
+export type MultiGetBalanceResponse = {
+  balance: number;
+  unconfirmed_balance: number; // eslint-disable-line camelcase
+  addresses: Record<string, { confirmed: number; unconfirmed: number }>;
+};
+
+export function multiGetBalanceByAddress(addresses: string[], batchsize?: number): Promise<MultiGetBalanceResponse>;
+
 export function getTransactionsByAddress(address: string): ElectrumTransaction[];
 
 export function getMempoolTransactionsByAddress(address: string): Promise<MempoolTransaction[]>;

class/wallets/abstract-hd-electrum-wallet.ts

@@ -9,14 +9,15 @@ import { randomBytes } from '../rng';
 import { AbstractHDWallet } from './abstract-hd-wallet';
 import { ECPairFactory } from 'ecpair';
 import { CreateTransactionResult, CreateTransactionUtxo, Transaction, Utxo } from './types';
-import { ElectrumHistory, ElectrumTransaction } from '../../blue_modules/BlueElectrum';
+import { ElectrumHistory } from '../../blue_modules/BlueElectrum';
+import type BlueElectrumNs from '../../blue_modules/BlueElectrum';
 import { ECPairInterface } from 'ecpair/src/ecpair';
 import { Psbt, Transaction as BTransaction } from 'bitcoinjs-lib';
-import { CoinselectReturnInput, CoinSelectTarget } from 'coinselect';
+import { CoinSelectReturnInput, CoinSelectTarget } from 'coinselect';
 
 const ECPair = ECPairFactory(ecc);
 const bitcoin = require('bitcoinjs-lib');
-const BlueElectrum = require('../../blue_modules/BlueElectrum');
+const BlueElectrum: typeof BlueElectrumNs = require('../../blue_modules/BlueElectrum');
 const reverse = require('buffer-reverse');
 const bip32 = BIP32Factory(ecc);
 
@@ -280,7 +281,7 @@ export class AbstractHDElectrumWallet extends AbstractHDWallet {
     // now, tricky part. we collect all transactions from inputs (vin), and batch fetch them too.
     // then we combine all this data (we need inputs to see source addresses and amounts)
     const vinTxids = [];
-    for (const txdata of Object.values(txdatas) as ElectrumTransaction[]) {
+    for (const txdata of Object.values(txdatas)) {
       for (const vin of txdata.vin) {
         vinTxids.push(vin.txid);
       }
@@ -315,7 +316,7 @@ export class AbstractHDElectrumWallet extends AbstractHDWallet {
     // now, we need to put transactions in all relevant `cells` of internal hashmaps: this._txs_by_internal_index && this._txs_by_external_index
 
     for (let c = 0; c < this.next_free_address_index + this.gap_limit; c++) {
-      for (const tx of Object.values(txdatas) as ElectrumTransaction[]) {
+      for (const tx of Object.values(txdatas)) {
         for (const vin of tx.vin) {
           if (vin.addresses && vin.addresses.indexOf(this._getExternalAddressByIndex(c)) !== -1) {
             // this TX is related to our address
@@ -356,7 +357,7 @@ export class AbstractHDElectrumWallet extends AbstractHDWallet {
     }
 
     for (let c = 0; c < this.next_free_change_address_index + this.gap_limit; c++) {
-      for (const tx of Object.values(txdatas) as ElectrumTransaction[]) {
+      for (const tx of Object.values(txdatas)) {
         for (const vin of tx.vin) {
           if (vin.addresses && vin.addresses.indexOf(this._getInternalAddressByIndex(c)) !== -1) {
             // this TX is related to our address
@@ -993,7 +994,7 @@ export class AbstractHDElectrumWallet extends AbstractHDWallet {
     return { tx, inputs, outputs, fee, psbt };
   }
 
-  _addPsbtInput(psbt: Psbt, input: CoinselectReturnInput, sequence: number, masterFingerprintBuffer: Buffer) {
+  _addPsbtInput(psbt: Psbt, input: CoinSelectReturnInput, sequence: number, masterFingerprintBuffer: Buffer) {
     if (!input.address) {
       throw new Error('Internal error: no address on Utxo during _addPsbtInput()');
     }

class/wallets/legacy-wallet.ts

@@ -5,7 +5,7 @@ import { AbstractWallet } from './abstract-wallet';
 import { HDSegwitBech32Wallet } from '..';
 import * as bitcoin from 'bitcoinjs-lib';
 import * as BlueElectrum from '../../blue_modules/BlueElectrum';
-import coinSelect, { CoinSelectOutput, CoinselectReturnInput, CoinSelectTarget, CoinSelectUtxo } from 'coinselect';
+import coinSelect, { CoinSelectOutput, CoinSelectReturnInput, CoinSelectTarget, CoinSelectUtxo } from 'coinselect';
 import coinSelectSplit from 'coinselect/split';
 import { CreateTransactionResult, CreateTransactionUtxo, Transaction, Utxo } from './types';
 import { ECPairAPI, ECPairFactory, Signer } from 'ecpair';
@@ -378,7 +378,7 @@ export class LegacyWallet extends AbstractWallet {
     feeRate: number,
     changeAddress: string,
   ): {
-    inputs: CoinselectReturnInput[];
+    inputs: CoinSelectReturnInput[];
     outputs: CoinSelectOutput[];
     fee: number;
   } {

class/wallets/types.ts

@@ -1,5 +1,5 @@
 import bitcoin from 'bitcoinjs-lib';
-import { CoinSelectOutput, CoinselectReturnInput } from 'coinselect';
+import { CoinSelectOutput, CoinSelectReturnInput } from 'coinselect';
 
 export type Utxo = {
   // Returned by BlueElectrum
@@ -34,7 +34,7 @@ export type CreateTransactionUtxo = {
 
 export type CreateTransactionResult = {
   tx?: bitcoin.Transaction;
-  inputs: CoinselectReturnInput[];
+  inputs: CoinSelectReturnInput[];
   outputs: CoinSelectOutput[];
   fee: number;
   psbt: bitcoin.Psbt;

typings/coinselect.d.ts

@@ -19,7 +19,7 @@ declare module 'coinselect' {
     };
   };
 
-  export type CoinselectReturnInput = {
+  export type CoinSelectReturnInput = {
     vout: number;
     value: number;
     txid: string;
@@ -42,7 +42,7 @@ declare module 'coinselect' {
     feeRate: number,
     changeAddress?: string,
   ): {
-    inputs: CoinselectReturnInput[];
+    inputs: CoinSelectReturnInput[];
     outputs: CoinSelectOutput[];
     fee: number;
   };