46 lines
1.3 KiB
TypeScript
46 lines
1.3 KiB
TypeScript
import { BigInt, ethereum } from '@graphprotocol/graph-ts'
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import { MetadataUpdated, MetadataCreated } from '../@types/Metadata/Metadata'
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import { Datatoken, MetadataUpdate } from '../@types/schema'
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export function handleMetadataEvent(
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event: ethereum.Event,
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dtAddress: string,
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updatedBy: string
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): void {
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const datatoken = Datatoken.load(dtAddress)
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const tx = event.transaction.hash
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const id = tx.toHexString().concat('-').concat(dtAddress)
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const metadataUpdate = new MetadataUpdate(id)
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metadataUpdate.tx = tx
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metadataUpdate.block = event.block.number.toI32()
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metadataUpdate.timestamp = event.block.timestamp.toI32()
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metadataUpdate.datatokenAddress = dtAddress
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metadataUpdate.userAddress = updatedBy
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metadataUpdate.datatokenId = dtAddress
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metadataUpdate.save()
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datatoken.metadataUpdateCount = datatoken.metadataUpdateCount.plus(
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BigInt.fromI32(1)
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)
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datatoken.save()
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}
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export function handleMetadataUpdated(event: MetadataUpdated): void {
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handleMetadataEvent(
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event,
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event.params.dataToken.toHexString(),
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event.params.updatedBy.toHexString()
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)
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}
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export function handleMetadataCreated(event: MetadataCreated): void {
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handleMetadataEvent(
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event,
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event.params.dataToken.toHexString(),
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event.params.createdBy.toHexString()
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)
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}
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