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Update dependency to 5.0.1, and add ERC4906 support #60

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merged 15 commits into from
Mar 7, 2024
Merged

Update dependency to 5.0.1, and add ERC4906 support #60

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aae39cb
Update dependency to 5.0.1, and add ERC4906 support
Amxx Jan 15, 2024
d8d5f78
add changelog entry
Amxx Jan 15, 2024
10947c6
Merge branch 'main' into erc4906
Amxx Jan 15, 2024
f16c836
Merge branch 'main' into erc4906
Amxx Jan 16, 2024
62abf7f
minimize diff
Amxx Jan 16, 2024
da9cda4
Set ERC721 token owner to 0 by default to avoid possible issue when
Amxx Jan 16, 2024
675b7e5
refactor
Amxx Jan 16, 2024
dafed78
update dependencies
Amxx Mar 1, 2024
fea8745
Merge branch 'main' into erc4906
Amxx Mar 1, 2024
97cf1c5
avoid revert if ERC4906 tokenId are bigger than u64
Amxx Mar 5, 2024
562bddb
return really
Amxx Mar 5, 2024
ffc91f4
update
Amxx Mar 5, 2024
2b79513
batch size limit in metadata update
Amxx Mar 5, 2024
01c6220
refactor
Amxx Mar 5, 2024
6b43c1f
Format CHANGELOG
ernestognw Mar 7, 2024
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186 changes: 97 additions & 89 deletions src/datasources/erc721.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -4,6 +4,7 @@ import {
} from '@graphprotocol/graph-ts'

import {
ERC721Contract,
ERC721Transfer,
} from '../../generated/schema'

Expand Down Expand Up @@ -40,34 +41,39 @@ import {

export function handleTransfer(event: TransferEvent): void {
let contract = fetchERC721(event.address)
if (contract != null) {
let token = fetchERC721Token(contract, event.params.tokenId)
let from = fetchAccount(event.params.from)
let to = fetchAccount(event.params.to)

token.owner = to.id
token.approval = fetchAccount(Address.zero()).id // implicit approval reset on transfer
token.save()

let ev = new ERC721Transfer(events.id(event))
ev.emitter = contract.id
ev.transaction = transactions.log(event).id
ev.timestamp = event.block.timestamp
ev.contract = contract.id
ev.token = token.id
ev.from = from.id
ev.to = to.id
ev.save()
}
if (contract == null) return

let token = fetchERC721Token(contract, event.params.tokenId)
let from = fetchAccount(event.params.from)
let to = fetchAccount(event.params.to)

token.owner = to.id
token.approval = fetchAccount(Address.zero()).id // implicit approval reset on transfer
token.save()

let ev = new ERC721Transfer(events.id(event))
ev.emitter = contract.id
ev.transaction = transactions.log(event).id
ev.timestamp = event.block.timestamp
ev.contract = contract.id
ev.token = token.id
ev.from = from.id
ev.to = to.id
ev.save()
}

export function handleConsecutiveTransfer(event: ConsecutiveTransfer): void {
let contract = fetchERC721(event.address)
if (contract != null) {
let from = fetchAccount(event.params.fromAddress)
let to = fetchAccount(event.params.toAddress)
if (contract == null) return

let from = fetchAccount(event.params.fromAddress)
let to = fetchAccount(event.params.toAddress)
let fromTokenId = event.params.fromTokenId.toU64()
let toTokenId = event.params.toTokenId.toU64()
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for (let tokenId = event.params.fromTokenId.toU64(); tokenId <= event.params.toTokenId.toU64(); ++tokenId) {
// Updates of blocks larger than 5000 tokens may DoS the subgraph, we skip them
if (toTokenId - fromTokenId <= 5000) {
for (let tokenId = fromTokenId; tokenId <= toTokenId; ++tokenId) {
let token = fetchERC721Token(contract, BigInt.fromU64(tokenId))
token.owner = to.id
token.approval = fetchAccount(Address.zero()).id // implicit approval reset on transfer
Expand All @@ -88,87 +94,89 @@ export function handleConsecutiveTransfer(event: ConsecutiveTransfer): void {

export function handleApproval(event: ApprovalEvent): void {
let contract = fetchERC721(event.address)
if (contract != null) {
let token = fetchERC721Token(contract, event.params.tokenId)
let owner = fetchAccount(event.params.owner)
let approved = fetchAccount(event.params.approved)

token.owner = owner.id // this should not be necessary, owner changed is signaled by a transfer event
token.approval = approved.id

token.save()
owner.save()
approved.save()

// let ev = new Approval(events.id(event))
// ev.emitter = contract.id
// ev.transaction = transactions.log(event).id
// ev.timestamp = event.block.timestamp
// ev.token = token.id
// ev.owner = owner.id
// ev.approved = approved.id
// ev.save()
}
if (contract == null) return

let token = fetchERC721Token(contract, event.params.tokenId)
let owner = fetchAccount(event.params.owner)
let approved = fetchAccount(event.params.approved)

token.owner = owner.id // this should not be necessary, owner changed is signaled by a transfer event
token.approval = approved.id

token.save()
owner.save()
approved.save()

// let ev = new Approval(events.id(event))
// ev.emitter = contract.id
// ev.transaction = transactions.log(event).id
// ev.timestamp = event.block.timestamp
// ev.token = token.id
// ev.owner = owner.id
// ev.approved = approved.id
// ev.save()
}

export function handleApprovalForAll(event: ApprovalForAllEvent): void {
let contract = fetchERC721(event.address)
if (contract != null) {
let owner = fetchAccount(event.params.owner)
let operator = fetchAccount(event.params.operator)
let delegation = fetchERC721Operator(contract, owner, operator)

delegation.approved = event.params.approved

delegation.save()

// let ev = new ApprovalForAll(events.id(event))
// ev.emitter = contract.id
// ev.transaction = transactions.log(event).id
// ev.timestamp = event.block.timestamp
// ev.delegation = delegation.id
// ev.owner = owner.id
// ev.operator = operator.id
// ev.approved = event.params.approved
// ev.save()
}
if (contract == null) return

let owner = fetchAccount(event.params.owner)
let operator = fetchAccount(event.params.operator)
let delegation = fetchERC721Operator(contract, owner, operator)

delegation.approved = event.params.approved

delegation.save()

// let ev = new ApprovalForAll(events.id(event))
// ev.emitter = contract.id
// ev.transaction = transactions.log(event).id
// ev.timestamp = event.block.timestamp
// ev.delegation = delegation.id
// ev.owner = owner.id
// ev.operator = operator.id
// ev.approved = event.params.approved
// ev.save()
}

export function handleMetadataUpdate(event: MetadataUpdateEvent) : void {
let erc721 = IERC721.bind(event.address)
let contract = fetchERC721(event.address)
if (contract == null) return

if (contract != null) {
if (contract.supportsMetadata) {
let token = fetchERC721Token(contract, event.params._tokenId)
let try_tokenURI = erc721.try_tokenURI(event.params._tokenId)
token.uri = try_tokenURI.reverted ? '' : try_tokenURI.value
token.save()
} else {
// add a warning ?
}
if (contract.supportsMetadata) {
_updateURI(contract, event.params._tokenId)
} else {
// add a warning ?
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}
}

export function handleBatchMetadataUpdate(event: BatchMetadataUpdateEvent) : void {
let erc721 = IERC721.bind(event.address)
let contract = fetchERC721(event.address)

if (contract != null) {
if (contract.supportsMetadata) {
const from = event.params._fromTokenId.toU64();
const to = event.params._toTokenId.toU64();
// Updates of blocks larger than 5000 tokens may DoS the subgraph, we skip them
if (to - from <= 5000) {
for (let tokenId =from; tokenId <= to; ++tokenId) {
let token = fetchERC721Token(contract, BigInt.fromU64(tokenId))
let try_tokenURI = erc721.try_tokenURI(BigInt.fromU64(tokenId))
token.uri = try_tokenURI.reverted ? '' : try_tokenURI.value
token.save()
}
if (contract == null) return

if (contract.supportsMetadata) {
let fromTokenId = event.params._fromTokenId.toU64()
let toTokenId = event.params._toTokenId.toU64()
// Updates of blocks larger than 5000 tokens may DoS the subgraph, we skip them
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if (toTokenId - fromTokenId <= 5000) {
for (let tokenId = fromTokenId; tokenId <= toTokenId; ++tokenId) {
_updateURI(contract, BigInt.fromU64(tokenId))
}
} else {
// add a warning ?
}
} else {
// add a warning ?
}
}

function _updateURI(contract: ERC721Contract, tokenId: BigInt) : void {
let erc721 = IERC721.bind(Address.fromBytes(contract.id))
let token = fetchERC721Token(contract, tokenId)
let try_tokenURI = erc721.try_tokenURI(tokenId)
token.uri = try_tokenURI.reverted ? '' : try_tokenURI.value
// If token was never minted (transfered) then the owner was set to 0 by default in `fetchERC721Token`
// In that case we don't want to save to token to the database.
if (token.owner != Address.zero()) {
token.save()
}
}
6 changes: 3 additions & 3 deletions src/fetch/erc721.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -71,12 +71,12 @@ export function fetchERC721Token(contract: ERC721Contract, identifier: BigInt):
let token = ERC721Token.load(id)

if (token == null) {
const AddressZero = fetchAccount(Address.zero())
fetchAccount(Address.zero())
token = new ERC721Token(id)
token.contract = contract.id
token.identifier = identifier
token.owner = AddressZero.id
token.approval = AddressZero.id
token.owner = Address.zero()
token.approval = Address.zero()

if (contract.supportsMetadata) {
let erc721 = IERC721.bind(Address.fromBytes(contract.id))
Expand Down