diagram.json

{
    "sendEther": [
        {
            "functionName": "Connect to an Ethereum client",
            "functionCall": "ethclient.Dial",
            "arguments": [
                "http://localhost:8545"
            ],
            "return": "client",
            "errorHandling": "log.Fatal"
        },
        {
            "functionName": "Get the private key for the sender",
            "functionCall": "crypto.HexToECDSA",
            "arguments": [
                "7275b963ffc4603c02d3481ed99755b82a26702c0a90a3408ac02c12c082ddb7"
            ],
            "return": "privateKey",
            "errorHandling": "log.Fatal"
        },
        {
            "functionName": "Get the recipient's address",
            "functionCall": "common.HexToAddress",
            "arguments": [
                "0xD92373D4BB00e93FaF91fD127492763d289e9487"
            ],
            "return": "toAddress"
        },
        {
            "functionName": "Get the suggested gas price",
            "functionCall": "client.SuggestGasPrice",
            "arguments": [],
            "return": "gasPrice",
            "errorHandling": "log.Fatal"
        },
        {
            "functionName": "Get the nonce for the sender",
            "functionCall": "client.PendingNonceAt",
            "arguments": [
                "fromAddress"
            ],
            "return": "nonce",
            "errorHandling": "return err"
        },
        {
            "functionName": "Create the transaction",
            "functionCall": "types.NewTransaction",
            "arguments": [
                "nonce",
                "toAddress",
                "value",
                "gasLimit",
                "gasPrice",
                null
            ],
            "return": "tx"
        },
        {
            "functionName": "Get the chain ID",
            "functionCall": "new(big.Int).SetInt64",
            "arguments": [
                1337
            ],
            "return": "chainID"
        },
        {
            "functionName": "Sign the transaction",
            "functionCall": "types.SignTx",
            "arguments": [
                "tx",
                "types.NewEIP155Signer(chainID)",
                "privateKey"
            ],
            "return": "signedTx",
            "errorHandling": "return err"
        },
        {
            "functionName": "Send the transaction",
            "functionCall": "client.SendTransaction",
            "arguments": [
                "signedTx"
            ],
            "return": null,
            "errorHandling": "return err"
        },
        {
            "functionName": "Print the transaction hash",
            "functionCall": "fmt.Printf",
            "arguments": [
                "Transaction hash: 0x%x\n",
                "signedTx.Hash()"
            ],
            "return": null
        }
    ]
}