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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,18 +1,162 @@ | ||
| import { | ||
| ERC20_METHODS, | ||
| ERC777_METHODS, | ||
| ERC721_METHODS, | ||
| ERC1155_METHODS, | ||
| ERC165_METHODS, | ||
| GOVERNOR_METHODS, | ||
| SAFE_METHODS, | ||
| } from './constants'; | ||
| import { RawBlock, StdObj } from '../types'; | ||
|
|
||
| export const makeTransform = ( | ||
| children: Record<string, (transaction: any) => any>, | ||
| ) => { | ||
| return (transaction: any): any => { | ||
| for (const childTransformer of Object.values(children)) { | ||
| const result = childTransformer(transaction); | ||
| if (result) { | ||
| return result; | ||
| } | ||
| children: Record<string, (transaction: any) => any>, | ||
| ) => { | ||
| return (transaction: any): any => { | ||
| for (const childTransformer of Object.values(children)) { | ||
| const result = childTransformer(transaction); | ||
| if (result) { | ||
| return result; | ||
| } | ||
| return transaction; | ||
| }; | ||
| } | ||
| return transaction; | ||
| }; | ||
| }; | ||
|
|
||
| export function shortenTxHash(hash: string): string { | ||
| if (hash.length <= 10) return hash; | ||
| return hash.substr(0, 6) + hash.substr(-4); | ||
| } | ||
|
|
||
| // monkey-patch BigInt to serialize as JSON | ||
| // more context here: https://github.com/GoogleChromeLabs/jsbi/issues/30 | ||
| (BigInt.prototype as any).toJSON = function () { | ||
| return this.toString(); | ||
| }; | ||
|
|
||
| export const bytecodeIsERC = ( | ||
| standard: Record<string, string>, | ||
| bytecode: string, | ||
| ): boolean => { | ||
| const ercMethodsDetected = Object.keys(standard).filter( | ||
| (key: string): boolean => bytecode.includes(standard[key]), | ||
| ); | ||
| return ercMethodsDetected.length == Object.keys(standard).length; | ||
| }; | ||
|
|
||
| export const bytecodeIsERC20 = (bytecode: string): boolean => | ||
| bytecodeIsERC(ERC20_METHODS, bytecode); | ||
| export const bytecodeIsERC777 = (bytecode: string): boolean => | ||
| bytecodeIsERC(ERC777_METHODS, bytecode); | ||
| export const bytecodeIsERC721 = (bytecode: string): boolean => | ||
| bytecodeIsERC(ERC721_METHODS, bytecode); | ||
| export const bytecodeIsERC1155 = (bytecode: string): boolean => | ||
| bytecodeIsERC(ERC1155_METHODS, bytecode); | ||
| export const bytecodeIsERC165 = (bytecode: string): boolean => | ||
| bytecodeIsERC(ERC165_METHODS, bytecode); | ||
| export const bytecodeIsIGovernor = (bytecode: string): boolean => | ||
| bytecodeIsERC(GOVERNOR_METHODS, bytecode); | ||
| export const bytecodeIsGnosisSafe = (bytecode: string): boolean => | ||
| bytecodeIsERC(SAFE_METHODS, bytecode); | ||
|
|
||
| export const normalizeBlock = (block: StdObj): RawBlock => { | ||
| // console.log('block', block); | ||
|
|
||
| let str = JSON.stringify(block); | ||
|
|
||
| // replace all EVM addresses with lowercased versions | ||
| str = str.replace(/("0x[A-z0-9]{40}")/g, (v) => v.toLowerCase()); | ||
|
|
||
| return JSON.parse(str) as RawBlock; | ||
| }; | ||
|
|
||
| const VALID_CHARS = | ||
| 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890.? '; | ||
|
|
||
| export const countValidChars = (stringToCount: string) => { | ||
| let count = 0; | ||
| for (let i = 0; i < stringToCount.length; i++) { | ||
| if (VALID_CHARS.indexOf(stringToCount[i]) >= 0) { | ||
| count++; | ||
| } | ||
| } | ||
| return count; | ||
| }; | ||
|
|
||
| export const convertToString = (value: any): string => { | ||
| // Check if the value is not null or undefined, and it has a toString() method. | ||
| if ( | ||
| value !== null && | ||
| value !== undefined && | ||
| typeof value?.toString === 'function' | ||
| ) { | ||
| return value.toString(); | ||
| } else { | ||
| // Return an empty string if the value is not convertible to a string. | ||
| return ''; | ||
| } | ||
| }; | ||
|
|
||
| export function splitStringIntoChunks( | ||
| inputString: string, | ||
| chunkSize: number, | ||
| ): string[] { | ||
| const chunks: string[] = []; | ||
| for (let i = 0; i < inputString.length; i += chunkSize) { | ||
| chunks.push(inputString.slice(i, i + chunkSize)); | ||
| } | ||
| return chunks; | ||
| } | ||
|
|
||
| export function objectToDotNotation( | ||
| obj: Record<string, unknown>, | ||
| current?: string, | ||
| ) { | ||
| if (!obj || typeof obj !== 'object') { | ||
| return obj; | ||
| } | ||
|
|
||
| const newObj = {}; | ||
|
|
||
| for (const key in obj) { | ||
| const val = obj[key]; | ||
| const newKey = current ? `${current}.${key}` : key; | ||
| if (val && typeof val === 'object') { | ||
| Object.assign( | ||
| newObj, | ||
| objectToDotNotation(val as Record<string, unknown>, newKey), | ||
| ); | ||
| } else { | ||
| newObj[newKey] = val; | ||
| } | ||
| } | ||
|
|
||
| return newObj; | ||
| } | ||
|
|
||
| export const getTokenName = async (token): Promise<string> => { | ||
| try { | ||
| return (await token.methods.name().call()) as string; | ||
| } catch (error) { | ||
| console.log(`Name method not implemented.`); | ||
| return ''; | ||
| } | ||
| }; | ||
|
|
||
| export const getTokenSymbol = async (token): Promise<string> => { | ||
| try { | ||
| return (await token.methods.symbol().call()) as string; | ||
| } catch (error) { | ||
| console.log('Symbol method not implemented.'); | ||
| return ''; | ||
| } | ||
| }; | ||
|
|
||
| export function shortenTxHash(hash: string): string { | ||
| if (hash.length <= 10) return hash; | ||
| return hash.substr(0, 6) + hash.substr(-4); | ||
| } | ||
| export const getTokenDecimals = async (token): Promise<number> => { | ||
| try { | ||
| return (await token.methods.decimals().call()) as number; | ||
| } catch (error) { | ||
| console.log('Decimals method not implemented.'); | ||
| return 18; | ||
| } | ||
| }; |
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