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I'm having trouble transferring ERC20 tokens. I created the below method to construct a transaction and then broadcasting the raw transaction to the blockchain. here I have a little problem with using ABI! I call the transfer method but IDK how to provide _to & _value to the call function. Also when I call this method my code panics with below information:
thread 'main' panicked at 'called `Result::unwrap()` on an `Err` value: Api(Rpc(Error { code: MethodNotFound, message: "The method eth_sendTransaction does not exist/is not available", data: None }))'
Here is my method declaration:
pub async fn transfer_erc20_token(
contract: Contract<Http>,
private_key: SecretKey,
from: Address,
to: Address,
value: U256
) -> Result<H256, web3::contract::Error> {
let c = contract.call(
"transfer",
(to, value,),
from,
ContractOptions::default()
)
.await.unwrap();
Ok(c)
}And this is a piece of abi I provided to setup Contract object:
{
"constant": false,
"inputs": [
{
"name": "_to",
"type": "address"
},
{
"name": "_value",
"type": "uint256"
}
],
"name": "transfer",
"outputs": [
{
"name": "",
"type": "bool"
}
],
"payable": false,
"stateMutability": "nonpayable",
"type": "function"
}Metadata
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