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feat(test): Added test to call contract's read method #1324

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Nov 23, 2023
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feat(test): Added test to call contract's read method #1324

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05bf774
Added test to call contract's read methods
hunter-bera Nov 23, 2023
823aee4
nit
hunter-bera Nov 23, 2023
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37 changes: 35 additions & 2 deletions e2e/hive/simulators/rpc/ethclient.hive
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Original file line number Diff line number Diff line change
@@ -1,4 +1,3 @@

package main

import (
Expand Down Expand Up @@ -67,7 +66,7 @@ contract Test {
// contractSrc is pre-deployed with the following address in the genesis block.
predeployedContractWithAddress = common.HexToAddress("391694e7e0b0cce554cb130d723a9d27458f9298")
// holds the pre-deployed contract ABI
predeployedContractABI = `[{"constant":true,"inputs":[],"name":"ui","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"addr","type":"address"}],"name":"getFromMap","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"addr","type":"address"},{"name":"value","type":"uint256"}],"name":"addToMap","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"ui_","type":"uint256"},{"name":"addr_","type":"address"}],"name":"events","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"},{"name":"c","type":"uint256"}],"name":"constFunc","outputs":[{"name":"","type":"uint256"},{"name":"","type":"uint256"},{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"ui_","type":"uint256"}],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[],"name":"E0","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"uint256"}],"name":"E1","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"","type":"uint256"}],"name":"E2","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"E3","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"","type":"address"}],"name":"E4","type":"event"},{"anonymous":true,"inputs":[{"indexed":false,"name":"","type":"uint256"},{"indexed":false,"name":"","type":"address"}],"name":"E5","type":"event"}]`
predeployedContractABI = `[{"constant":true,"inputs":[],"name":"ui","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"addr","type":"address"}],"name":"getFromMap","outputs":[{"name":"","type":"uint256"}],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"addr","type":"address"},{"name":"value","type":"uint256"}],"name":"addToMap","outputs":[],"payable":false,"type":"function"},{"constant":false,"inputs":[{"name":"ui_","type":"uint256"},{"name":"addr_","type":"address"}],"name":"events","outputs":[],"payable":false,"type":"function"},{"constant":true,"inputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"},{"name":"c","type":"uint256"}],"name":"constFunc","outputs":[{"name":"a","type":"uint256"},{"name":"b","type":"uint256"},{"name":"c","type":"uint256"}],"payable":false,"type":"function"},{"inputs":[{"name":"ui_","type":"uint256"}],"payable":false,"type":"constructor"},{"anonymous":false,"inputs":[],"name":"E0","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"uint256"}],"name":"E1","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"","type":"uint256"}],"name":"E2","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"","type":"address"}],"name":"E3","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"","type":"address"}],"name":"E4","type":"event"},{"anonymous":true,"inputs":[{"indexed":false,"name":"","type":"uint256"},{"indexed":false,"name":"","type":"address"}],"name":"E5","type":"event"}]`
)

var (
Expand Down Expand Up @@ -421,6 +420,40 @@ func deployContractTest(t *TestEnv) {
} else {
t.Fatalf("Unable to retrieve value in map: %v", err)
}

// test contract read-only method
var (
a = big.NewInt(1)
b = big.NewInt(2)
c = big.NewInt(3)
contractABI, _ = abi.JSON(strings.NewReader(predeployedContractABI))
)

payload, err := contractABI.Pack("constFunc", a, b, c)
if err != nil {
t.Fatalf("Failed to pack data for constFunc: %v", err)
}

msg := ethereum.CallMsg{
To: &receipt.ContractAddress,
Data: payload,
}

result, err := t.Eth.CallContract(t.Ctx(), msg, nil)
if err != nil {
t.Fatalf("Unable to call contract: %v", err)
}

var outputs struct {
A, B, C *big.Int
}
err = contractABI.UnpackIntoInterface(&outputs, "constFunc", result)
if err != nil {
t.Fatalf("Failed to unpack return values: %v", err)
}
if outputs.A.Cmp(a) != 0 || outputs.B.Cmp(b) != 0 || outputs.C.Cmp(c) != 0 {
t.Fatalf("Unexpected return values, got: %v, %v, %v, want: %v, %v, %v", outputs.A, outputs.B, outputs.C, a, b, c)
}
}

// deployContractOutOfGasTest tries to deploy `contractSrc` with insufficient gas. It
Expand Down