mirror of
https://github.com/logos-storage/nim-ethers.git
synced 2026-01-02 13:43:06 +00:00
77 lines
2.1 KiB
Nim
77 lines
2.1 KiB
Nim
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import std/macros
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import ./contractcall
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template view* {.pragma.}
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template pure* {.pragma.}
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template getter* {.pragma.}
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template errors*(types) {.pragma.}
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func isGetter*(procedure: NimNode): bool =
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let pragmas = procedure[4]
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for pragma in pragmas:
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if pragma.eqIdent "getter":
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return true
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false
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func isConstant*(procedure: NimNode): bool =
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let pragmas = procedure[4]
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for pragma in pragmas:
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if pragma.eqIdent "view":
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return true
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elif pragma.eqIdent "pure":
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return true
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elif pragma.eqIdent "getter":
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return true
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false
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func isMultipleReturn*(returnType: NimNode): bool =
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(returnType.kind == nnkPar and returnType.len > 1) or
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(returnType.kind == nnkTupleConstr) or
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(returnType.kind == nnkTupleTy)
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func getContract(procedure: NimNode): NimNode =
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let firstArgument = procedure.params[1][0]
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quote do:
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Contract(`firstArgument`)
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func getFunctionName(procedure: NimNode): string =
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$basename(procedure[0])
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func getArgumentTuple(procedure: NimNode): NimNode =
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let parameters = procedure.params
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var arguments = newNimNode(nnkTupleConstr, parameters)
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for parameter in parameters[2..^2]:
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for name in parameter[0..^3]:
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arguments.add name
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return arguments
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func getOverrides(procedure: NimNode): NimNode =
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procedure.params.last[^3]
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func getContractCall*(procedure: NimNode): NimNode =
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let contract = getContract(procedure)
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let function = getFunctionName(procedure)
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let arguments = getArgumentTuple(procedure)
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let overrides = getOverrides(procedure)
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quote do:
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ContractCall.init(`contract`, `function`, `arguments`, `overrides`)
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func addOverridesParameter*(procedure: var NimNode) =
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let overrides = genSym(nskParam, "overrides")
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procedure.params.add(
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newIdentDefs(
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overrides,
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newEmptyNode(),
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quote do: TransactionOverrides()
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)
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)
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func addAsyncPragma*(procedure: var NimNode) =
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procedure.addPragma nnkExprColonExpr.newTree(
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quote do: async,
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quote do: (raises: [CancelledError, ProviderError, EthersError])
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)
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func addUsedPragma*(procedure: var NimNode) =
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procedure.addPragma(quote do: used)
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