Press n or j to go to the next uncovered block, b, p or k for the previous block.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 | 2x 2x 2x 2x 5x 5x 5x 5x 5x 17x 1x 1x 22x 4x 4x 12x 8x 4x 12x 12x 8x 4x 4x 4x 4x 4x 4x 4x 9x 8x 4x 4x 9x 9x 8x 4x 4x 4x 4x 4x 1x 4x 4x 4x 4x 4x 4x 4x 3x 1x 4x 3x 4x 4x 4x 4x 4x 4x 4x 4x 4x | import { pTokensAsset } from 'ptokens-entities' import { pTokensNode, Status, InnerTransactionStatus } from 'ptokens-node' import PromiEvent from 'promievent' import polling from 'light-async-polling' import BigNumber from 'bignumber.js' export type DestinationInfo = { asset: pTokensAsset destinationAddress: string userData?: Uint8Array } export class pTokensSwap { private _node: pTokensNode private _sourceAsset: pTokensAsset private _destinationAssets: Array<DestinationInfo> private _amount: BigNumber private controller: AbortController constructor( node: pTokensNode, sourceAsset: pTokensAsset, destinationAssets: Array<DestinationInfo>, amount: BigNumber ) { this._node = node this._sourceAsset = sourceAsset this._destinationAssets = destinationAssets this._amount = amount this.controller = new AbortController() } public get sourceAsset(): pTokensAsset { return this._sourceAsset } public get destinationAssets(): Array<pTokensAsset> { return this._destinationAssets.map((_el) => _el.asset) } public get amount(): string { return this._amount.toFixed() } public get node(): pTokensNode { return this._node } private monitorInputTransactions(txHash: string, origChainId: string): PromiEvent<InnerTransactionStatus[]> { const promi = new PromiEvent<InnerTransactionStatus[]>( (resolve) => (async () => { async function getInputTransactions(node: pTokensNode) { const resp = await node.getTransactionStatus(txHash, origChainId) return resp.inputs } let resp: InnerTransactionStatus[] // eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-return await polling(async () => { try { resp = await getInputTransactions(this.node) if (resp.length) { promi.emit('inputTxDetected', resp) return true } } catch (err) { return false } }, 1000) resolve(resp) })() as unknown ) return promi } private monitorOutputTransactions(txHash: string, origChainId: string): PromiEvent<InnerTransactionStatus[]> { const promi = new PromiEvent<InnerTransactionStatus[]>( (resolve) => (async () => { async function getOutputTransactions(node: pTokensNode) { const resp = await node.getTransactionStatus(txHash, origChainId) return resp.outputs } let notified = false let resp: InnerTransactionStatus[] // eslint-disable-next-line @typescript-eslint/no-unsafe-call, @typescript-eslint/no-unsafe-return await polling(async () => { try { resp = await getOutputTransactions(this.node) if (resp.length && !notified) { notified = true promi.emit('outputTxBroadcasted', resp) } else if (resp.length && resp.every((el) => el.status == Status.CONFIRMED)) { promi.emit('outputTxConfirmed', resp) return true } } catch (err) { return false } }, 1000) resolve(resp) })() as unknown ) return promi } abort() { this.controller.abort() } execute() { const promi = new PromiEvent<InnerTransactionStatus[]>( (resolve, reject) => (async () => { try { this.controller.signal.addEventListener('abort', () => reject(new Error('Swap aborted by user'))) let swapPromiEvent: PromiEvent<string> if (this.sourceAsset.assetInfo.isNative) { swapPromiEvent = this.sourceAsset.nativeToInterim( this._amount, this._destinationAssets[0].destinationAddress, this._destinationAssets[0].asset.chainId, this._destinationAssets[0].userData ) } else { swapPromiEvent = this.sourceAsset.hostToInterim( this._amount, this._destinationAssets[0].destinationAddress, this._destinationAssets[0].asset.chainId, this._destinationAssets[0].userData ) } const txHash = await swapPromiEvent .on('depositAddress', (depositAddress) => { promi.emit('depositAddress', depositAddress) }) .on('txBroadcasted', (txHash) => { promi.emit('inputTxBroadcasted', txHash) }) .on('txConfirmed', (txHash) => { promi.emit('inputTxConfirmed', txHash) }) await this.monitorInputTransactions(txHash, this.sourceAsset.chainId).on('inputTxDetected', (inputs) => { promi.emit('inputTxDetected', inputs) }) const outputs = await this.monitorOutputTransactions(txHash, this.sourceAsset.chainId) .on('outputTxBroadcasted', (outputs) => { promi.emit('outputTxDetected', outputs) }) .on('outputTxConfirmed', (outputs) => { promi.emit('outputTxProcessed', outputs) }) return resolve(outputs) } catch (err) { return reject(err) } })() as unknown ) return promi } } |