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...crypto/packages/nft/packages/contract/packages/function-read/src/CryptoContractDiviner.ts
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,109 @@ | ||
| import { assertEx } from '@xylabs/assert' | ||
| import { Promisable } from '@xylabs/promise' | ||
| import { AbstractDiviner } from '@xyo-network/abstract-diviner' | ||
| import { | ||
| CryptoContractFunctionCall, | ||
| CryptoContractFunctionCallResult, | ||
| CryptoContractFunctionCallResultSchema, | ||
| CryptoContractFunctionCallSchema, | ||
| } from '@xyo-network/crypto-contract-function-read-payload-plugin' | ||
| import { DivinerConfig, DivinerParams } from '@xyo-network/diviner-model' | ||
| import { PayloadHasher } from '@xyo-network/hash' | ||
| import { isPayloadOfSchemaType, Payload } from '@xyo-network/payload-model' | ||
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|
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| export type FindCallResult<TResult = string, TPayload = Payload> = [TResult, TPayload] | [undefined, TPayload] | [undefined, undefined] | ||
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| export const CryptoContractDivinerConfigSchema = 'network.xyo.crypto.contract.diviner.config' | ||
| export type CryptoContractDivinerConfigSchema = typeof CryptoContractDivinerConfigSchema | ||
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| export type CryptoContractDivinerConfig = DivinerConfig | ||
| export type CryptoContractDivinerParams = DivinerParams<CryptoContractDivinerConfig> | ||
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| export const ContractInfoSchema = 'network.xyo.crypto.contract.info' | ||
| export type ContractInfoSchema = typeof ContractInfoSchema | ||
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| export type OmittedContractInfo<TFields extends object | Payload | null = null, TSchema extends string | null = null> = Omit< | ||
| ContractInfo<TFields, TSchema extends null ? (TFields extends Payload ? TFields['schema'] : never) : TSchema>, | ||
| 'address' | 'chainId' | ||
| > | ||
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| export type ContractInfo<TFields extends object | null = null, TSchema extends string = ContractInfoSchema> = Payload< | ||
| TFields extends null | ||
| ? object | ||
| : TFields & { | ||
| address: string | ||
| chainId: string | ||
| }, | ||
| TSchema | ||
| > | ||
|
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| export abstract class CryptoContractDiviner< | ||
| TContractInfo extends Payload<Omit<ContractInfo, 'schema'>> = ContractInfo, | ||
| TParams extends CryptoContractDivinerParams = CryptoContractDivinerParams, | ||
| > extends AbstractDiviner<TParams> { | ||
| static override configSchemas = [CryptoContractDivinerConfigSchema] | ||
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| protected static async findCallResult<TResult = string>( | ||
| address: string, | ||
| functionName: string, | ||
| params: unknown[], | ||
| payloads: CryptoContractFunctionCallResult[], | ||
| ): Promise<TResult | undefined> { | ||
| const callHash = await this.generateCallHash(address, functionName, params) | ||
| const foundPayload = payloads.find((payload) => payload.call === callHash) | ||
| return foundPayload?.result.value as TResult | undefined | ||
| } | ||
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| protected static async generateCallHash(address: string, functionName: string, params: unknown[]) { | ||
| const callPayload: CryptoContractFunctionCall = { | ||
| address, | ||
| functionName, | ||
| params, | ||
| schema: CryptoContractFunctionCallSchema, | ||
| } | ||
| return await PayloadHasher.hashAsync(callPayload) | ||
| } | ||
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| protected static matchingExistingField<R = string, T extends Payload = Payload>(objs: T[], field: keyof T) { | ||
| const expectedValue = objs.at(0)?.[field] as R | ||
| const didNotMatch = objs.reduce((prev, obj) => { | ||
| return prev || obj[field] !== expectedValue | ||
| }, false) | ||
| return didNotMatch ? undefined : expectedValue | ||
| } | ||
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| protected contractInfoRequiredFields(callResults: CryptoContractFunctionCallResult[]): Promisable<Omit<ContractInfo, 'schema'>> { | ||
| return { | ||
| address: assertEx(CryptoContractDiviner.matchingExistingField(callResults, 'address'), 'Mismatched address'), | ||
| chainId: assertEx(CryptoContractDiviner.matchingExistingField(callResults, 'chainId'), 'Mismatched chainId'), | ||
| } | ||
| } | ||
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| protected override async divineHandler(inPayloads: CryptoContractFunctionCallResult[] = []): Promise<TContractInfo[]> { | ||
| const callResults = inPayloads.filter(isPayloadOfSchemaType<CryptoContractFunctionCallResult>(CryptoContractFunctionCallResultSchema)) | ||
| const addresses = Object.keys( | ||
| callResults.reduce<Record<string, boolean>>((prev, result) => { | ||
| if (result.address) { | ||
| prev[result.address] = true | ||
| } | ||
| return prev | ||
| }, {}), | ||
| ) | ||
| const result = await Promise.all( | ||
| addresses.map(async (address) => { | ||
| const foundCallResults = callResults.filter((callResult) => callResult.address === address) | ||
| return { | ||
| ...(await this.reduceResults(address, foundCallResults)), | ||
| ...this.contractInfoRequiredFields(foundCallResults), | ||
| } as TContractInfo | ||
| }), | ||
| ) | ||
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| return result | ||
| } | ||
|
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| protected abstract reduceResults( | ||
| address: string, | ||
| callResults: CryptoContractFunctionCallResult[], | ||
| ): Promisable<Omit<TContractInfo, 'address' | 'chainId'>> | ||
| } |
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