mirror of
https://github.com/cerc-io/watcher-ts
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4e0ef7c852
* Set up typescript build. * Setup eslint in cache package. * Automatic lint fixes. * Fix typescript return types. * Fix typescript argument type warnings. * Set up typescript build and eslint. * Automatic lint fixes. * Fix typescript explicit any warnings. * Add argument types. * Fix return type warnings. * Fix typescript errors. * Implement declaration in types directory. Co-authored-by: nikugogoi <95nikass@gmail.com>
25 lines
743 B
TypeScript
25 lines
743 B
TypeScript
import leftPad from 'left-pad';
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import { ethers } from 'ethers';
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export const padKey = (input: string): string =>
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leftPad(ethers.utils.hexlify(input).replace('0x', ''), 64, '0');
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export const getMappingSlot = (mappingSlot: string, key: string): string => {
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const mappingSlotPadded = padKey(mappingSlot);
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const keyPadded = padKey(key);
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const fullKey = keyPadded.concat(mappingSlotPadded);
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const slot = ethers.utils.keccak256(`0x${fullKey}`);
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return slot;
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};
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export const getStorageLeafKey = (slot: string): string => ethers.utils.keccak256(slot);
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export const topictoAddress = (topic: string): string => {
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return ethers.utils.getAddress(
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ethers.utils.hexZeroPad(
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ethers.utils.hexStripZeros(topic), 20
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)
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);
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};
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