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refactor(connect): separate bitcoin and misc fee levels
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,118 @@ | ||
| // origin: https://github.com/trezor/connect/blob/develop/src/js/core/methods/tx/Fees.js | ||
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| // Non-bitcoin fees. Bitcoin fees are handled in bitcoin/BitcoinFees.ts | ||
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| import { BigNumber } from '@trezor/utils/src/bigNumber'; | ||
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| import { Blockchain } from '../../backend/BlockchainLink'; | ||
| import type { CoinInfo, FeeLevel } from '../../types'; | ||
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| type Blocks = Array<string | undefined>; | ||
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| export const findBlocksForFee = (feePerUnit: string, blocks: Blocks) => { | ||
| const bn = new BigNumber(feePerUnit); | ||
| // find first occurrence of value lower or equal than requested | ||
| const lower = blocks.find(b => typeof b === 'string' && bn.gte(b)); | ||
| if (!lower) return -1; | ||
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| // if not found get latest know value | ||
| return blocks.indexOf(lower); | ||
| }; | ||
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| export class MiscFeeLevels { | ||
| coinInfo: CoinInfo; | ||
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| levels: FeeLevel[]; | ||
| longTermFeeRate?: string; // long term fee rate is used by @trezor/utxo-lib composeTx module | ||
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| blocks: Blocks = []; | ||
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| constructor(coinInfo: CoinInfo) { | ||
| this.coinInfo = coinInfo; | ||
| this.levels = coinInfo.defaultFees; | ||
| } | ||
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| async load(blockchain: Blockchain) { | ||
| try { | ||
| const [response] = await blockchain.estimateFee({ blocks: [1] }); | ||
| if (response.eip1559) { | ||
| type EipResponse1559Level = 'low' | 'medium' | 'high'; | ||
| type Eip1559Level = 'low' | 'normal' | 'high'; | ||
| const eip1559ResponseLevelKeys = [ | ||
| 'low', | ||
| 'medium', | ||
| 'high', | ||
| ] as EipResponse1559Level[]; | ||
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| const { eip1559 } = response; | ||
| const eip1559Levels = eip1559ResponseLevelKeys.map(levelKey => { | ||
| const level = eip1559[levelKey]; | ||
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| // We can't pass BaseFeePerGas to firmware, so we calculate the effective gas price here | ||
| const calculatedMaxFeePerGas = BigNumber.minimum( | ||
| new BigNumber(level?.maxFeePerGas || '0'), | ||
| new BigNumber(eip1559.baseFeePerGas || '0').plus( | ||
| level?.maxPriorityFeePerGas || '0', | ||
| ), | ||
| ).toFixed(); | ||
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| const label = | ||
| levelKey === 'medium' | ||
| ? ('normal' as Eip1559Level) | ||
| : (levelKey as Eip1559Level); | ||
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| return { | ||
| label, | ||
| maxFeePerGas: level?.maxFeePerGas || '0', | ||
| effectiveGasPrice: calculatedMaxFeePerGas, | ||
| maxPriorityFeePerGas: level?.maxPriorityFeePerGas || '0', | ||
| baseFeePerGas: eip1559.baseFeePerGas, | ||
| minWaitTimeEstimate: level?.minWaitTimeEstimate | ||
| ? level.minWaitTimeEstimate / 1000 | ||
| : undefined, // Infura provides wait time in miliseconds | ||
| maxWaitTimeEstimate: level?.maxWaitTimeEstimate | ||
| ? level.maxWaitTimeEstimate / 1000 | ||
| : undefined, | ||
| feePerUnit: '0', | ||
| feeLimit: response.feeLimit, | ||
| blocks: -1, | ||
| }; | ||
| }); | ||
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| this.levels = [...eip1559Levels]; | ||
| } else { | ||
| //misc coins should have only one FeeLevel (normal), for ethereum depends on availability of eip1559 | ||
| this.levels[0] = { | ||
| ...this.levels[0], | ||
| ...response, | ||
| // validate `feePerUnit` from the backend | ||
| // should be lower than `coinInfo.maxFee` and higher than `coinInfo.minFee` | ||
| // xrp sends values from 1 to very high number occasionally | ||
| // see: https://github.com/trezor/trezor-suite/blob/develop/packages/blockchain-link/src/workers/ripple/index.ts#L316 | ||
| feePerUnit: Math.min( | ||
| this.coinInfo.maxFee, | ||
| Math.max(this.coinInfo.minFee, parseInt(response.feePerUnit, 10)), | ||
| ).toString(), | ||
| }; | ||
| } | ||
| } catch { | ||
| // silent | ||
| } | ||
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| return this.levels; | ||
| } | ||
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| updateCustomFee(feePerUnit: string, effectiveGasPrice?: string, maxPriorityFeePerGas?: string) { | ||
| // remove "custom" level from list | ||
| this.levels = this.levels.filter(l => l.label !== 'custom'); | ||
| // recreate "custom" level | ||
| const blocks = findBlocksForFee(feePerUnit, this.blocks); | ||
| this.levels.push({ | ||
| label: 'custom', | ||
| feePerUnit, | ||
| blocks, | ||
| maxPriorityFeePerGas, | ||
| effectiveGasPrice, | ||
| }); | ||
| } | ||
| } |
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