Differential D12596 Diff 36622 web/cashtab/src/hooks/useBCH.js

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web/cashtab/src/hooks/useBCH.js

Show First 20 Lines • Show All 137 Lines • ▼ Show 20 Lines	) => {
slpBalancesAndUtxos.nonSlpUtxos.length === 0		slpBalancesAndUtxos.nonSlpUtxos.length === 0
) {		) {
throw new Error(		throw new Error(
`You need some ${currency.ticker} to send ${currency.tokenTicker}`,		`You need some ${currency.ticker} to send ${currency.tokenTicker}`,
);		);
}		}

// instance of transaction builder		// instance of transaction builder
let txBuilder = new BCH.TransactionBuilder();		let txBuilder = new TransactionBuilder();

// for temporary comparison
let localTxBuilder = new TransactionBuilder();

let tokenTxInputObj = generateTokenTxInput(		let tokenTxInputObj = generateTokenTxInput(
BCH,		BCH,
'SEND',		'SEND',
xecUtxos,		xecUtxos,
tokenUtxos,		tokenUtxos,
tokenId,		tokenId,
amount,		amount,
currency.defaultFee,		currency.defaultFee,
txBuilder,		txBuilder,
);		);
// update txBuilder object with inputs		// update txBuilder object with inputs
txBuilder = tokenTxInputObj.txBuilder;		txBuilder = tokenTxInputObj.txBuilder;

// for temporary comparison
let localTokenTxInputObj = generateTokenTxInput(
BCH,
'SEND',
xecUtxos,
tokenUtxos,
tokenId,
amount,
currency.defaultFee,
localTxBuilder,
);
localTxBuilder = localTokenTxInputObj.txBuilder;
if (JSON.stringify(txBuilder) === JSON.stringify(localTxBuilder)) {
console.log('post-generateTokenTxInput() output matches');
}

let tokenTxOutputObj = generateTokenTxOutput(		let tokenTxOutputObj = generateTokenTxOutput(
BCH,		BCH,
txBuilder,		txBuilder,
'SEND',		'SEND',
CREATION_ADDR,		CREATION_ADDR,
tokenTxInputObj.inputTokenUtxos,		tokenTxInputObj.inputTokenUtxos,
tokenTxInputObj.remainderXecValue,		tokenTxInputObj.remainderXecValue,
null, // token config object - for GENESIS tx only		null, // token config object - for GENESIS tx only
tokenReceiverAddress,		tokenReceiverAddress,
amount,		amount,
);		);
// update txBuilder object with outputs		// update txBuilder object with outputs
txBuilder = tokenTxOutputObj;		txBuilder = tokenTxOutputObj;

// for temporary comparison
let localTokenTxOutputObj = generateTokenTxOutput(
BCH,
localTxBuilder,
'SEND',
CREATION_ADDR,
localTokenTxInputObj.inputTokenUtxos,
localTokenTxInputObj.remainderXecValue,
null, // token config object - for GENESIS tx only
tokenReceiverAddress,
amount,
);
localTxBuilder = localTokenTxOutputObj;
if (JSON.stringify(txBuilder) === JSON.stringify(localTxBuilder)) {
console.log('post-generateTokenTxOutput() output matches');
}

// append the token input UTXOs to the array of XEC input UTXOs for signing		// append the token input UTXOs to the array of XEC input UTXOs for signing
const combinedInputUtxos = tokenTxInputObj.inputXecUtxos.concat(		const combinedInputUtxos = tokenTxInputObj.inputXecUtxos.concat(
tokenTxInputObj.inputTokenUtxos,		tokenTxInputObj.inputTokenUtxos,
);		);

// sign the collated inputUtxos and build the raw tx hex		// sign the collated inputUtxos and build the raw tx hex
// returns the raw tx hex string		// returns the raw tx hex string
const rawTxHex = signAndBuildTx(		const rawTxHex = signAndBuildTx(
BCH,		BCH,
combinedInputUtxos,		combinedInputUtxos,
txBuilder,		txBuilder,
wallet,		wallet,
);		);

// for temporary comparison
const localCombinedInputUtxos =
localTokenTxInputObj.inputXecUtxos.concat(
localTokenTxInputObj.inputTokenUtxos,
);
const localRawTxHex = signAndBuildTx(
BCH,
localCombinedInputUtxos,
localTxBuilder,
wallet,
);
if (JSON.stringify(rawTxHex) === JSON.stringify(localRawTxHex)) {
console.log('post-signAndBuildTx() output matches');
}

// Broadcast transaction to the network via the chronik client		// Broadcast transaction to the network via the chronik client
// sample chronik.broadcastTx() response:		// sample chronik.broadcastTx() response:
// {"txid":"0075130c9ecb342b5162bb1a8a870e69c935ea0c9b2353a967cda404401acf19"}		// {"txid":"0075130c9ecb342b5162bb1a8a870e69c935ea0c9b2353a967cda404401acf19"}
let broadcastResponse;		let broadcastResponse;
try {		try {
broadcastResponse = await chronik.broadcastTx(		broadcastResponse = await chronik.broadcastTx(
rawTxHex,		rawTxHex,
true, // skipSlpCheck to bypass chronik safety mechanism in place to avoid accidental burns		true, // skipSlpCheck to bypass chronik safety mechanism in place to avoid accidental burns
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