84 lines
2.9 KiB
Nim
84 lines
2.9 KiB
Nim
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import
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json, json_serialization, chronicles, web3/ethtypes
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import
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./core,
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./conversions,
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../types/[rpc_response, transaction]
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proc getBlockByNumber*(blockNumber: string): string =
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result = core.callPrivateRPC("eth_getBlockByNumber", %* [blockNumber, false])
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proc estimateGas*(tx: TransactionData): RpcResponse =
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let response = core.callPrivateRPC("eth_estimateGas", %*[%tx])
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result = Json.decode(response, RpcResponse)
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if not result.error.isNil:
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raise newException(RpcException, "Error getting gas estimate: " & result.error.message)
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trace "Gas estimated succesfully", estimate=result.result
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proc getDefaultAccount*(): string =
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var response = core.callPrivateRPC("eth_accounts")
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result = parseJson(response)["result"][0].getStr()
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proc estimateGas*(tx: var TransactionData, success: var bool): string =
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success = true
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try:
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let response = estimateGas(tx)
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result = response.result
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except RpcException as e:
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success = false
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result = e.msg
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proc sendTransaction*(tx: TransactionData, password: string): RpcResponse =
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let responseStr = core.sendTransaction($(%tx), password)
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result = Json.decode(responseStr, RpcResponse)
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if not result.error.isNil:
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raise newException(RpcException, "Error sending transaction: " & result.error.message)
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trace "Transaction sent succesfully", hash=result.result
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proc sendTransaction*(tx: var TransactionData, password: string, success: var bool): string =
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success = true
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try:
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let response = sendTransaction(tx, password)
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result = response.result
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except RpcException as e:
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success = false
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result = e.msg
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proc getTransactionReceipt*(transactionHash: string): string =
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result = core.callPrivateRPC("eth_getTransactionReceipt", %* [transactionHash])
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proc getBalance*(address: string): string =
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let payload = %* [address, "latest"]
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let response = parseJson(core.callPrivateRPC("eth_getBalance", payload))
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if response.hasKey("error"):
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raise newException(RpcException, "Error getting balance: " & $response["error"])
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else:
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result = response["result"].str
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proc maxPriorityFeePerGas*(): string =
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let payload = %* []
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result = callPrivateRPC("eth_maxPriorityFeePerGas", payload)
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proc feeHistory*(n: int): string =
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let payload = %* [n, "latest", nil]
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result = callPrivateRPC("eth_feeHistory", payload)
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proc getGasPrice*(): string =
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let payload = %* []
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result = callPrivateRPC("eth_gasPrice", payload)
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proc call*(tx: TransactionData): RpcResponse =
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let responseStr = core.callPrivateRPC("eth_call", %*[%tx, "latest"])
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result = Json.decode(responseStr, RpcResponse)
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if not result.error.isNil:
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raise newException(RpcException, "Error calling method: " & result.error.message)
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proc call*(payload = %* []): RpcResponse =
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let responseStr = core.callPrivateRPC("eth_call", payload)
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result = Json.decode(responseStr, RpcResponse)
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if not result.error.isNil:
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raise newException(RpcException, "Error calling method: " & result.error.message)
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