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1// Flow Wallet Monorepo - mainnet Script - callContract - Extension - 3.1.5
2// Platform: extension - 3.1.5 - local
3
4import FungibleToken from 0xf233dcee88fe0abe
5import FlowToken from 0x1654653399040a61
6import EVM from 0xe467b9dd11fa00df
7
8/// Transfers $FLOW from the signer's account Cadence Flow balance to the recipient's hex-encoded EVM address.
9/// Note that a COA must have a $FLOW balance in EVM before transferring value to another EVM address.
10///
11transaction(toEVMAddressHex: String, amount: UFix64, data: [UInt8], gasLimit: UInt64) {
12
13    let coa: auth(EVM.Withdraw, EVM.Call) &EVM.CadenceOwnedAccount
14    let recipientEVMAddress: EVM.EVMAddress
15
16    prepare(signer: auth(BorrowValue, SaveValue) &Account) {
17        if signer.storage.type(at: /storage/evm) == nil {
18            signer.storage.save(<-EVM.createCadenceOwnedAccount(), to: /storage/evm)
19        }
20        self.coa = signer.storage.borrow<auth(EVM.Withdraw, EVM.Call) &EVM.CadenceOwnedAccount>(from: /storage/evm)
21            ?? panic("Could not borrow reference to the signer's bridged account")
22
23        self.recipientEVMAddress = EVM.addressFromString(toEVMAddressHex)
24    }
25
26    execute {
27        if self.recipientEVMAddress.bytes == self.coa.address().bytes {
28            return
29        }
30        let valueBalance = EVM.Balance(attoflow: 0)
31        valueBalance.setFLOW(flow: amount)
32        let txResult = self.coa.call(
33            to: self.recipientEVMAddress,
34            data: data,
35            gasLimit: gasLimit,
36            value: valueBalance
37        )
38        assert(
39            txResult.status == EVM.Status.failed || txResult.status == EVM.Status.successful,
40            message: "evm_error=".concat(txResult.errorMessage)
41        )
42    }
43}