@lifi/widget
Version:
LI.FI Widget for cross-chain bridging and swapping. It will drive your multi-chain strategy and attract new users from everywhere.
194 lines • 7.83 kB
JavaScript
import { formatTokenPrice } from './format.js';
const buildProcessFromTxHistory = (tx) => {
const sending = tx.sending;
const receiving = tx.receiving;
if (!sending.token?.chainId || !receiving.token?.chainId) {
return [];
}
const processStatus = tx.status === 'DONE' ? 'DONE' : 'FAILED';
const substatus = processStatus === 'FAILED' ? 'UNKNOWN_ERROR' : 'COMPLETED';
if (sending.chainId === receiving.chainId) {
return [
{
type: 'SWAP', // operations on same chain will be swaps
startedAt: sending.timestamp ?? Date.now(),
message: '',
status: processStatus,
txHash: sending.txHash,
txLink: sending.txLink,
doneAt: receiving.timestamp ?? Date.now(),
substatus,
substatusMessage: '',
},
];
}
const process = [
{
type: 'CROSS_CHAIN', // first step of bridging, ignoring the approvals
startedAt: sending.timestamp ?? Date.now(),
message: '',
status: processStatus, // can be FAILED
txHash: sending.txHash,
txLink: sending.txLink,
doneAt: sending.timestamp,
},
{
type: 'RECEIVING_CHAIN', // final step of bridging, post swaps
startedAt: receiving.timestamp ?? Date.now(),
message: '',
status: processStatus,
substatus,
substatusMessage: '',
doneAt: receiving.timestamp ?? Date.now(),
txHash: receiving.txHash,
txLink: receiving.txLink,
},
];
return process;
};
export const buildRouteFromTxHistory = (tx, tools) => {
const sending = tx.sending;
const receiving = tx.receiving;
if (!sending.token?.chainId || !receiving.token?.chainId) {
return;
}
let usedTool = tx.sending.includedSteps?.find((step) => step.toolDetails.key === tx.tool)?.toolDetails;
if (!usedTool) {
const selectedBridge = tools?.bridges.find((bridge) => bridge.key === tx.tool);
const selectedExchange = tools?.exchanges.find((exchange) => exchange.key === tx.tool);
usedTool = {
key: tx.tool,
name: selectedBridge?.name ?? selectedExchange?.name ?? tx.tool,
logoURI: selectedBridge?.logoURI ?? selectedExchange?.logoURI ?? '',
};
}
const fromToken = {
...sending.token,
amount: BigInt(sending.amount ?? 0),
};
const toToken = {
...receiving.token,
amount: BigInt(receiving.amount ?? 0),
};
const sendingValue = sending.value ? BigInt(sending.value) : 0n;
const sendingFeeAmount = sending.gasToken.address === sending.token.address && sending.amount
? sendingValue - BigInt(sending.amount)
: sendingValue;
const sendingFeeAmountUsd = sending.gasToken.priceUSD && sendingFeeAmount
? formatTokenPrice(sendingFeeAmount, sending.gasToken.priceUSD, sending.gasToken.decimals)
: 0;
const feeCosts = sendingFeeAmount
? [
{
amount: sendingFeeAmount.toString(),
amountUSD: sendingFeeAmountUsd.toFixed(2),
token: sending.gasToken,
included: false,
// Not used
description: '',
name: '',
percentage: '',
},
]
: undefined;
const routeExecution = {
status: 1,
route: {
id: tx.transactionId,
fromAddress: tx.fromAddress,
toAddress: tx.toAddress,
fromChainId: sending.chainId,
fromAmount: sending.amount ?? '',
fromAmountUSD: sending.amountUSD ?? '',
toAmount: receiving.amount ?? '',
toAmountMin: receiving.amount ?? '',
toAmountUSD: receiving.amountUSD ?? '',
toChainId: receiving.chainId,
fromToken,
toToken,
gasCostUSD: sending.gasAmountUSD,
steps: [
{
id: crypto.randomUUID(),
type: 'lifi',
tool: tx.tool,
toolDetails: usedTool,
action: {
fromToken: sending.token,
fromAmount: sending.amount ?? '',
fromChainId: sending.chainId,
fromAddress: tx.fromAddress,
toToken: receiving.token,
toChainId: receiving.chainId,
toAddress: tx.toAddress,
slippage: 0,
},
estimate: {
tool: tx.tool,
approvalAddress: '',
fromAmount: sending.amount ?? '',
fromAmountUSD: sending.amountUSD ?? '',
toAmountMin: receiving.amount ?? '',
toAmount: receiving.amount ?? '',
toAmountUSD: receiving.amountUSD ?? '',
executionDuration: 0,
},
includedSteps: [
{
id: '',
type: sending.chainId === receiving.chainId ? 'swap' : 'cross',
action: {
fromChainId: sending.chainId,
fromAmount: sending.amount ?? '',
fromToken: sending.token,
toChainId: receiving.chainId,
toToken: receiving.token,
slippage: 0,
fromAddress: tx.fromAddress,
toAddress: tx.toAddress,
},
estimate: {
tool: tx.tool,
fromAmount: sending.amount ?? '',
toAmount: receiving.amount ?? '',
toAmountMin: receiving.amount ?? '',
approvalAddress: '',
executionDuration: 0,
},
tool: tx.tool,
toolDetails: usedTool,
},
],
integrator: tx.metadata?.integrator ?? '',
execution: {
status: 'DONE', // can be FAILED
startedAt: sending.timestamp ?? Date.now(),
doneAt: receiving.timestamp ?? Date.now(),
process: buildProcessFromTxHistory(tx),
fromAmount: sending.amount,
toAmount: receiving.amount,
toToken: receiving.token,
gasCosts: [
{
amount: sending.gasAmount,
amountUSD: sending.gasAmountUSD,
token: sending.gasToken,
estimate: '0',
limit: '0',
price: '0',
type: 'SEND',
},
],
feeCosts,
},
},
],
insurance: {
state: 'NOT_INSURABLE',
feeAmountUsd: '0',
},
},
};
return routeExecution;
};
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