Differential D10601 Diff 31245 web/cashtab/src/hooks/useBCH.js

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web/cashtab/src/hooks/useBCH.js

Show First 20 Lines • Show All 953 Lines • ▼ Show 20 Lines	const signPkMessage = async (BCH, pk, message) => {
);		);
return signature;		return signature;
} catch (err) {		} catch (err) {
console.log(`useBCH.signPkMessage() error: `, err);		console.log(`useBCH.signPkMessage() error: `, err);
throw err;		throw err;
}		}
};		};

const sendBch = async (		const sendXec = async (
BCH,		BCH,
wallet,		wallet,
utxos,		utxos,
destinationAddress,
sendAmount,
feeInSatsPerByte,		feeInSatsPerByte,
optionalOpReturnMsg,		optionalOpReturnMsg,
		isOneToMany,
		destinationAddressAndValueArray,
		destinationAddress,
		sendAmount,
) => {		) => {
try {		try {
		let value = 0;

		if (isOneToMany) {
		// this is a one to many XEC transaction
		if (
		!destinationAddressAndValueArray \|\|
		!destinationAddressAndValueArray.length
		) {
		throw new Error('Invalid destinationAddressAndValueArray');
		}
		const arrayLength = destinationAddressAndValueArray.length;
		for (let i = 0; i < arrayLength; i++) {
		// add the total value being sent in this array of recipients
		value += Number(
		destinationAddressAndValueArray[i].split(',')[1],
		);
		}

		value = new BigNumber(value);
		// If user is attempting to send an aggregate value that is less than minimum accepted by the backend
		if (
		value.lt(
		new BigNumber(
		fromSmallestDenomination(
		currency.dustSats,
		).toString(),
		),
		)
		) {
		// Throw the same error given by the backend attempting to broadcast such a tx
		throw new Error('dust');
		}
		} else {
		// this is a one to one XEC transaction then check sendAmount
		// note: one to many transactions won't be sending a single sendAmount

if (!sendAmount) {		if (!sendAmount) {
return null;		return null;
}		}

const value = new BigNumber(sendAmount);		value = new BigNumber(sendAmount);

// If user is attempting to send less than minimum accepted by the backend		// If user is attempting to send less than minimum accepted by the backend
if (		if (
value.lt(		value.lt(
new BigNumber(		new BigNumber(
fromSmallestDenomination(currency.dustSats).toString(),		fromSmallestDenomination(
		currency.dustSats,
		).toString(),
),		),
)		)
) {		) {
// Throw the same error given by the backend attempting to broadcast such a tx		// Throw the same error given by the backend attempting to broadcast such a tx
throw new Error('dust');		throw new Error('dust');
}		}
		}

const inputUtxos = [];		const inputUtxos = [];
let transactionBuilder;		let transactionBuilder;

// instance of transaction builder		// instance of transaction builder
if (process.env.REACT_APP_NETWORK === `mainnet`)		if (process.env.REACT_APP_NETWORK === `mainnet`)
transactionBuilder = new BCH.TransactionBuilder();		transactionBuilder = new BCH.TransactionBuilder();
else transactionBuilder = new BCH.TransactionBuilder('testnet');		else transactionBuilder = new BCH.TransactionBuilder('testnet');
▲ Show 20 Lines • Show All 66 Lines • ▼ Show 20 Lines	) => {
const remainder = originalAmount.minus(satoshisToSend).minus(txFee);		const remainder = originalAmount.minus(satoshisToSend).minus(txFee);

if (remainder.lt(0)) {		if (remainder.lt(0)) {
const error = new Error(`Insufficient funds`);		const error = new Error(`Insufficient funds`);
error.code = SEND_BCH_ERRORS.INSUFFICIENT_FUNDS;		error.code = SEND_BCH_ERRORS.INSUFFICIENT_FUNDS;
throw error;		throw error;
}		}

// add output w/ address and amount to send		if (isOneToMany) {
		// for one to many mode, add the multiple outputs from the array
		let arrayLength = destinationAddressAndValueArray.length;
		for (let i = 0; i < arrayLength; i++) {
		// add each send tx from the array as an output
		let outputAddress =
		destinationAddressAndValueArray[i].split(',')[0];
		let outputValue = new BigNumber(
		destinationAddressAndValueArray[i].split(',')[1],
		);
		transactionBuilder.addOutput(
		BCH.Address.toCashAddress(outputAddress),
		parseInt(toSmallestDenomination(outputValue)),
		);
		}
		} else {
		// for one to one mode, add output w/ single address and amount to send
transactionBuilder.addOutput(		transactionBuilder.addOutput(
BCH.Address.toCashAddress(destinationAddress),		BCH.Address.toCashAddress(destinationAddress),
parseInt(toSmallestDenomination(value)),		parseInt(toSmallestDenomination(value)),
);		);
		}

if (remainder.gte(new BigNumber(currency.dustSats))) {		if (remainder.gte(new BigNumber(currency.dustSats))) {
transactionBuilder.addOutput(		transactionBuilder.addOutput(
REMAINDER_ADDR,		REMAINDER_ADDR,
parseInt(remainder),		parseInt(remainder),
);		);
}		}

▲ Show 20 Lines • Show All 65 Lines • ▼ Show 20 Lines	return {
getTxHistory,		getTxHistory,
flattenTransactions,		flattenTransactions,
parseTxData,		parseTxData,
addTokenTxData,		addTokenTxData,
parseTokenInfoForTxHistory,		parseTokenInfoForTxHistory,
getTxData,		getTxData,
getRestUrl,		getRestUrl,
signPkMessage,		signPkMessage,
sendBch,		sendXec,
sendToken,		sendToken,
createToken,		createToken,
getTokenStats,		getTokenStats,
};		};
}		}