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nimbus-eth1
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using inheritance on Node in graphql resolvers 

this remove usage of unsafe cast
This commit is contained in:
jangko 2021-05-05 11:18:17 +07:00
parent dabff33689
commit 9c04202412
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GPG Key ID: 31702AE10541E6B9
1 changed files with 77 additions and 105 deletions
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166
nimbus/graphql/ethapi.nim
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@ -33,26 +33,22 @@ type
ethQuery = "Query"
ethMutation = "Mutation"
HeaderNode = ref object
node: NodeObj
HeaderNode = ref object of Node
header: BlockHeader
AccountNode = ref object
node: NodeObj
AccountNode = ref object of Node
address: EthAddress
account: Account
db: ReadOnlyStateDB
TxNode = ref object
node: NodeObj
TxNode = ref object of Node
tx: Transaction
index: int
blockNumber: BlockNumber
receipt: Receipt
gasUsed: GasInt
LogNode = ref object
node: NodeObj
LogNode = ref object of Node
log: Log
index: int
tx: TxNode
@ -70,66 +66,42 @@ proc toBlockNumber(n: Node): BlockNumber =
result = parse(n.intVal, UInt256, radix = 10)
proc headerNode(ctx: GraphqlContextRef, header: BlockHeader): Node =
let n = HeaderNode(
node: NodeObj(
HeaderNode(
kind: nkMap,
typeName: ctx.ids[ethBlock],
pos: Pos()
),
pos: Pos(),
header: header
)
cast[Node](n)
proc headerNode(n: Node): HeaderNode =
cast[HeaderNode](n)
proc accountNode(ctx: GraphqlContextRef, acc: Account, address: EthAddress, db: ReadOnlyStateDB): Node =
let n = AccountNode(
node: NodeObj(
AccountNode(
kind: nkMap,
typeName: ctx.ids[ethAccount],
pos: Pos()
),
pos: Pos(),
account: acc,
address: address,
db: db
)
cast[Node](n)
proc accountNode(n: Node): AccountNode =
cast[AccountNode](n)
proc txNode(ctx: GraphqlContextRef, tx: Transaction, index: int, blockNumber: BlockNumber): Node =
let n = TxNode(
node: NodeObj(
TxNode(
kind: nkMap,
typeName: ctx.ids[ethTransaction],
pos: Pos()
),
pos: Pos(),
tx: tx,
index: index,
blockNumber: blockNumber
)
cast[Node](n)
proc txNode(n: Node): TxNode =
cast[TxNode](n)
proc logNode(ctx: GraphqlContextRef, log: Log, index: int, tx: TxNode): Node =
let n = LogNode(
node: NodeObj(
LogNode(
kind: nkMap,
typeName: ctx.ids[ethLog],
pos: Pos()
),
pos: Pos(),
log: log,
index: index,
tx: tx
)
cast[Node](n)
proc logNode(n: Node): LogNode =
cast[LogNode](n)
proc getAccountDb(chainDB: BaseChainDB, header: BlockHeader): ReadOnlyStateDB =
## Retrieves the account db from canonical head
@ -269,7 +241,7 @@ proc getTxs(ctx: GraphqlContextRef, header: BlockHeader): RespResult =
index = 0
var prevUsed = 0.GasInt
for r in getReceipts(ctx.chainDB, header.receiptRoot):
let tx = txNode(list.sons[index])
let tx = TxNode(list.sons[index])
tx.receipt = r
tx.gasUsed = r.cumulativeGasUsed - prevUsed
prevUsed = r.cumulativeGasUsed
@ -291,7 +263,7 @@ proc getTxAt(ctx: GraphqlContextRef, header: BlockHeader, index: int): RespResul
var prevUsed = 0.GasInt
for r in getReceipts(ctx.chainDB, header.receiptRoot):
if i == index:
let tx = txNode(txn)
let tx = TxNode(txn)
tx.receipt = r
tx.gasUsed = r.cumulativeGasUsed - prevUsed
prevUsed = r.cumulativeGasUsed
@ -452,28 +424,28 @@ proc scalarLong(ctx: GraphqlRef, typeNode, node: Node): NodeResult {.cdecl, gcsa
proc accountAddress(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let acc = accountNode(parent)
let acc = AccountNode(parent)
resp(acc.address)
proc accountBalance(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let acc = accountNode(parent)
let acc = AccountNode(parent)
bigIntNode(acc.account.balance)
proc accountTxCount(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let acc = accountNode(parent)
let acc = AccountNode(parent)
longNode(acc.account.nonce)
proc accountCode(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let acc = accountNode(parent)
let acc = AccountNode(parent)
let code = acc.db.getCode(acc.address)
resp(code)
proc accountStorage(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let acc = accountNode(parent)
let acc = AccountNode(parent)
let slot = parse(params[0].val.stringVal, UInt256, radix = 16)
let (val, _) = acc.db.getStorage(acc.address, slot)
byte32Node(val)
@ -488,23 +460,23 @@ const accountProcs = {
proc logIndex(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let log = logNode(parent)
let log = LogNode(parent)
ok(resp(log.index))
proc logAccount(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
# TODO: with block param
let ctx = GraphqlContextRef(ud)
let log = logNode(parent)
let log = LogNode(parent)
let hres = ctx.getBlockByNumber(log.tx.blockNumber)
if hres.isErr:
return hres
let h = headerNode(hres.get())
let h = HeaderNode(hres.get())
ctx.accountNode(h.header, log.log.address)
proc logTopics(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let log = logNode(parent)
let log = LogNode(parent)
var list = respList()
for n in log.log.topics:
list.add resp("0x" & n.toHex)
@ -512,12 +484,12 @@ proc logTopics(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.
proc logData(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let log = logNode(parent)
let log = LogNode(parent)
resp(log.log.data)
proc logTransaction(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let log = logNode(parent)
let log = LogNode(parent)
ok(cast[Node](log.tx))
const logProcs = {
@ -530,74 +502,74 @@ const logProcs = {
proc txHash(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let
tx = txNode(parent)
tx = TxNode(parent)
encodedTx = rlp.encode(tx.tx)
txHash = keccakHash(encodedTx)
resp(txHash)
proc txNonce(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
longNode(tx.tx.accountNonce)
proc txIndex(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
ok(resp(tx.index))
proc txFrom(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
# TODO: with block param
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
var sender: EthAddress
if not getSender(tx.tx, sender):
return ok(respNull())
let hres = ctx.getBlockByNumber(tx.blockNumber)
if hres.isErr:
return hres
let h = headerNode(hres.get())
let h = HeaderNode(hres.get())
ctx.accountNode(h.header, sender)
proc txTo(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
# TODO: with block param
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
if tx.tx.isContractCreation:
return ok(respNull())
let hres = ctx.getBlockByNumber(tx.blockNumber)
if hres.isErr:
return hres
let h = headerNode(hres.get())
let h = HeaderNode(hres.get())
ctx.accountNode(h.header, tx.tx.to)
proc txValue(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
bigIntNode(tx.tx.value)
proc txGasPrice(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
bigIntNode(tx.tx.gasPrice)
proc txGas(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
longNode(tx.tx.gasLimit)
proc txInputData(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
resp(tx.tx.payload)
proc txBlock(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
ctx.getBlockByNumber(tx.blockNumber)
proc txStatus(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
if tx.receipt.hasStatus:
longNode(tx.receipt.status().uint64)
else:
@ -605,17 +577,17 @@ proc txStatus(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.}
proc txGasUsed(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
longNode(tx.gasUsed)
proc txCumulativeGasUsed(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
longNode(tx.receipt.cumulativeGasUsed)
proc txCreatedContract(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
var sender: EthAddress
if not getSender(tx.tx, sender):
return ok(respNull())
@ -623,7 +595,7 @@ proc txCreatedContract(ud: RootRef, params: Args, parent: Node): RespResult {.ap
let hres = getBlockByNumber(ctx, tx.blockNumber)
if hres.isErr:
return hres
let h = headerNode(hres.get())
let h = HeaderNode(hres.get())
let db = getAccountDb(ctx.chainDB, h.header)
let creationNonce = db.getNonce(sender)
let contractAddress = generateAddress(sender, creationNonce)
@ -631,7 +603,7 @@ proc txCreatedContract(ud: RootRef, params: Args, parent: Node): RespResult {.ap
proc txLogs(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let tx = txNode(parent)
let tx = TxNode(parent)
var list = respList()
for i, n in tx.receipt.logs:
list.add logNode(ctx, n, i, tx)
@ -657,120 +629,120 @@ const txProcs = {
proc blockNumberImpl(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
longNode(h.header.blockNumber)
proc blockHashImpl(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
let hash = blockHash(h.header)
resp(hash)
proc blockParent(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
getBlockByHash(ctx, h.header.parentHash)
proc blockNonce(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
ok(resp("0x" & h.header.nonce.toHex))
proc blockTransactionsRoot(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
resp(h.header.txRoot)
proc blockTransactionCount(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
ctx.getTxCount(h.header.txRoot)
proc blockStateRoot(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
resp(h.header.stateRoot)
proc blockReceiptsRoot(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
resp(h.header.receiptRoot)
proc blockMiner(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
ctx.accountNode(h.header, h.header.coinbase)
proc blockExtraData(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
resp(h.header.extraData)
proc blockGasLimit(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
longNode(h.header.gasLimit)
proc blockGasUsed(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
longNode(h.header.gasUsed)
proc blockTimestamp(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
bigIntNode(h.header.timestamp.toUnix.uint64)
proc blockLogsBloom(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
resp(h.header.bloom)
proc blockMixHash(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
resp(h.header.mixDigest)
proc blockDifficulty(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
bigIntNode(h.header.difficulty)
proc blockTotalDifficulty(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
let hash = blockHash(h.header)
getTotalDifficulty(ctx, hash)
proc blockOmmerCount(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
getOmmerCount(ctx, h.header.ommersHash)
proc blockOmmers(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
getOmmers(ctx, h.header.ommersHash)
proc blockOmmerAt(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
let index = parseU64(params[0].val)
getOmmerAt(ctx, h.header.ommersHash, index.int)
proc blockOmmerHash(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
resp(h.header.ommersHash)
proc blockTransactions(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
getTxs(ctx, h.header)
proc blockTransactionAt(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
let index = parseU64(params[0].val)
getTxAt(ctx, h.header, index.int)
@ -781,7 +753,7 @@ proc blockLogs(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.
proc blockAccount(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
let address = hexToByteArray[20](params[0].val.stringVal)
ctx.accountNode(h.header, address)
@ -827,7 +799,7 @@ proc makeCall(ctx: GraphqlContextRef, callData: RpcCallData,
proc blockCall(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
let param = params[0].val
try:
let (callData, gasLimit) = toCallData(param)
@ -837,7 +809,7 @@ proc blockCall(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.
proc blockEstimateGas(ud: RootRef, params: Args, parent: Node): RespResult {.apiPragma.} =
let ctx = GraphqlContextRef(ud)
let h = headerNode(parent)
let h = HeaderNode(parent)
let param = params[0].val
try:
let (callData, gasLimit) = toCallData(param)