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e2e_test.go
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/*
* Copyright 2022 LimeChain Ltd.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package e2e
import (
"context"
"database/sql"
"encoding/base64"
"fmt"
"math/big"
"strconv"
"testing"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
evmSetup "github.com/limechain/hedera-eth-bridge-validator/e2e/setup/evm"
"github.com/limechain/hedera-eth-bridge-validator/app/clients/hedera/mirror-node/model/transaction"
hederahelper "github.com/limechain/hedera-eth-bridge-validator/app/helper/hedera"
"github.com/limechain/hedera-eth-bridge-validator/app/helper/timestamp"
auth_message "github.com/limechain/hedera-eth-bridge-validator/app/model/auth-message"
"github.com/limechain/hedera-eth-bridge-validator/app/persistence/entity"
"github.com/limechain/hedera-eth-bridge-validator/app/persistence/entity/schedule"
"github.com/limechain/hedera-eth-bridge-validator/app/persistence/entity/status"
"github.com/limechain/hedera-eth-bridge-validator/constants"
"github.com/limechain/hedera-eth-bridge-validator/e2e/helper/expected"
"github.com/limechain/hedera-eth-bridge-validator/e2e/helper/fetch"
"github.com/limechain/hedera-eth-bridge-validator/e2e/helper/submit"
"github.com/limechain/hedera-eth-bridge-validator/e2e/helper/verify"
"github.com/limechain/hedera-eth-bridge-validator/e2e/setup"
"github.com/ethereum/go-ethereum/common"
"github.com/hashgraph/hedera-sdk-go/v2"
)
// Test_HBAR recreates a real life situation of a user who wants to bridge a Hedera HBARs to the EVM Network infrastructure. The wrapped token on the EVM network(corresponding to the native Hedera Hashgraph's HBARs) gets minted, then transferred to the recipient account on the EVM network.
func Test_HBAR(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
amount := setupEnv.Scenario.AmountHederaHbar
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
receiver := evm.Receiver
memo := fmt.Sprintf("%d-%s", chainId, evm.Receiver.String())
targetAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, constants.HederaNetworkId, chainId, constants.Hbar)
if err != nil {
t.Fatalf("Expecting Token [%s] is not supported. - Error: [%s]", constants.Hbar, err)
}
mintAmount, fee := expected.ReceiverAndFeeAmounts(setupEnv.Clients.FeeCalculator, setupEnv.Clients.Distributor, constants.Hbar, amount)
// Step 1 - Verify the transfer of Hbars to the Bridge Account
transactionResponse, wrappedBalanceBefore := verify.TransferToBridgeAccount(t, setupEnv.Clients.Hedera, setupEnv.BridgeAccount, targetAsset, evm, memo, receiver, amount)
// Step 2 - Verify the submitted topic messages
receivedSignatures := verify.TopicMessagesWithStartTime(t, setupEnv.Clients.Hedera, setupEnv.TopicID, setupEnv.Scenario.ExpectedValidatorsCount, hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(), now.UnixNano())
// Step 3 - Validate fee scheduled transaction
expectedTransfers := expected.MirrorNodeExpectedTransfersForHederaTransfer(setupEnv.Members, setupEnv.BridgeAccount, constants.Hbar, fee)
scheduledTxID, scheduleID := verify.MembersScheduledTxs(t, setupEnv.Clients.Hedera, setupEnv.Clients.MirrorNode, setupEnv.Members, constants.Hbar, expectedTransfers, now)
// Step 4 - Verify Transfer retrieved from Validator API
transactionData := verify.FungibleTransferFromValidatorAPI(
t,
setupEnv.Clients.ValidatorClient,
setupEnv.TokenID,
evm,
hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(),
constants.Hbar,
fmt.Sprint(mintAmount),
targetAsset,
)
// Step 4.1 - Get the consensus timestamp of transfer tx
tx, err := setupEnv.Clients.MirrorNode.GetSuccessfulTransaction(hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String())
if err != nil {
t.Fatal("failed to get successful transaction", err)
}
nanos, err := timestamp.FromString(tx.ConsensusTimestamp)
if err != nil {
t.Fatal("failed to parse consensus timestamp", err)
}
ts := timestamp.FromNanos(nanos)
// Step 5 - Submit Mint transaction
txHash := submit.MintTransaction(t, evm, hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(), transactionData, common.HexToAddress(targetAsset))
// Step 6 - Wait for transaction to be mined
submit.WaitForTransaction(t, evm, txHash)
// Step 7 - Validate Token balances
verify.WrappedAssetBalance(t, evm, targetAsset, big.NewInt(mintAmount), wrappedBalanceBefore, receiver)
// Step 8 - Prepare Comparable Expected Transfer Record
expectedTxRecord := expected.FungibleTransferRecord(
constants.HederaNetworkId,
chainId,
constants.HederaNetworkId,
hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(),
constants.Hbar,
targetAsset,
constants.Hbar,
strconv.FormatInt(amount, 10),
strconv.FormatInt(fee, 10),
receiver.String(),
status.Completed,
setupEnv.Clients.Hedera.GetOperatorAccountID().String(),
entity.NanoTime{Time: ts},
)
// and:
expectedFeeRecord := expected.FeeRecord(
scheduledTxID,
scheduleID,
fee,
hederahelper.ToMirrorNodeTransactionID(transactionResponse.TransactionID.String()),
)
authMsgBytes, err := auth_message.EncodeFungibleBytesFrom(
expectedTxRecord.SourceChainID,
expectedTxRecord.TargetChainID,
expectedTxRecord.TransactionID,
expectedTxRecord.TargetAsset,
expectedTxRecord.Receiver,
strconv.FormatInt(mintAmount, 10),
)
if err != nil {
t.Fatalf("[%s] - Failed to encode the authorisation signature. Error: [%s]", expectedTxRecord.TransactionID, err)
}
// Step 9 - Verify Database Records
verify.TransferRecordAndSignatures(t, setupEnv.DbValidator, expectedTxRecord, authMsgBytes, receivedSignatures)
// and:
verify.FeeRecord(t, setupEnv.DbValidator, expectedFeeRecord)
}
// Test_E2E_Token_Transfer recreates a real life situation of a user who wants to bridge a Hedera native token to the EVM Network infrastructure. The wrapped token on the EVM network(corresponding to the native Hedera Hashgraph's one) gets minted, then transferred to the recipient account on the EVM network.
func Test_E2E_Token_Transfer(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
amount := setupEnv.Scenario.AmountHederaNative
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
memo := fmt.Sprintf("%d-%s", chainId, evm.Receiver.String())
mintAmount, fee := expected.ReceiverAndFeeAmounts(setupEnv.Clients.FeeCalculator, setupEnv.Clients.Distributor, setupEnv.TokenID.String(), amount)
targetAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, constants.HederaNetworkId, chainId, setupEnv.TokenID.String())
if err != nil {
t.Fatalf("Expecting Token [%s] is not supported. - Error: [%s]", constants.Hbar, err)
}
// Step 1 - Verify the transfer of HTS to the Bridge Account
transactionResponse, wrappedBalanceBefore := verify.TokenTransferToBridgeAccount(t, setupEnv.Clients.Hedera, setupEnv.BridgeAccount, targetAsset, setupEnv.TokenID, evm, memo, evm.Receiver, amount)
// Step 2 - Verify the submitted topic messages
receivedSignatures := verify.TopicMessagesWithStartTime(t, setupEnv.Clients.Hedera, setupEnv.TopicID, setupEnv.Scenario.ExpectedValidatorsCount, hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(), now.UnixNano())
// Step 3 - Validate fee scheduled transaction
expectedTransfers := expected.MirrorNodeExpectedTransfersForHederaTransfer(setupEnv.Members, setupEnv.BridgeAccount, setupEnv.TokenID.String(), fee)
scheduledTxID, scheduleID := verify.MembersScheduledTxs(t, setupEnv.Clients.Hedera, setupEnv.Clients.MirrorNode, setupEnv.Members, setupEnv.TokenID.String(), expectedTransfers, now)
// Step 4 - Verify Transfer retrieved from Validator API
transactionData := verify.FungibleTransferFromValidatorAPI(
t,
setupEnv.Clients.ValidatorClient,
setupEnv.TokenID,
evm,
hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(),
setupEnv.TokenID.String(),
fmt.Sprint(mintAmount),
targetAsset,
)
// Step 4.1 - Get the consensus timestamp of the transfer
tx, err := setupEnv.Clients.MirrorNode.GetSuccessfulTransaction(hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String())
if err != nil {
t.Fatal("failed to get successful transaction", err)
}
nanos, err := timestamp.FromString(tx.ConsensusTimestamp)
if err != nil {
t.Fatal("failed to parse consensus timestamp", err)
}
ts := timestamp.FromNanos(nanos)
// Step 5 - Submit Mint transaction
txHash := submit.MintTransaction(t, evm, hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(), transactionData, common.HexToAddress(targetAsset))
// Step 6 - Wait for transaction to be mined
submit.WaitForTransaction(t, evm, txHash)
// Step 7 - Validate Token balances
verify.WrappedAssetBalance(t, evm, targetAsset, big.NewInt(mintAmount), wrappedBalanceBefore, evm.Receiver)
// Step 8 - Verify Database records
expectedTxRecord := expected.FungibleTransferRecord(
constants.HederaNetworkId,
chainId,
constants.HederaNetworkId,
hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(),
setupEnv.TokenID.String(),
targetAsset,
setupEnv.TokenID.String(),
strconv.FormatInt(amount, 10),
strconv.FormatInt(fee, 10),
evm.Receiver.String(),
status.Completed,
setupEnv.Clients.Hedera.GetOperatorAccountID().String(),
entity.NanoTime{Time: ts},
)
// and:
expectedFeeRecord := expected.FeeRecord(
scheduledTxID,
scheduleID, fee,
hederahelper.ToMirrorNodeTransactionID(transactionResponse.TransactionID.String()),
)
authMsgBytes, err := auth_message.EncodeFungibleBytesFrom(
expectedTxRecord.SourceChainID,
expectedTxRecord.TargetChainID,
expectedTxRecord.TransactionID,
expectedTxRecord.TargetAsset,
expectedTxRecord.Receiver,
strconv.FormatInt(mintAmount, 10),
)
if err != nil {
t.Fatalf("[%s] - Failed to encode the authorization signature. Error: [%s]", expectedTxRecord.TransactionID, err)
}
// Step 8 - Verify Database Records
verify.TransferRecordAndSignatures(t, setupEnv.DbValidator, expectedTxRecord, authMsgBytes, receivedSignatures)
// and:
verify.FeeRecord(t, setupEnv.DbValidator, expectedFeeRecord)
}
// Test_EVM_Hedera_HBAR recreates a real life situation of a user who wants to return a Hedera native HBARs from the EVM Network infrastructure. The wrapped HBARs on the EVM network(corresponding to the native Hedera Hashgraph's one) gets burned, then the locked HBARs on the Hedera bridge account get unlocked, forwarding them to the recipient account.
func Test_EVM_Hedera_HBAR(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
amount := setupEnv.Scenario.AmountEvmWrappedHbar
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
accountBalanceBefore := fetch.HederaAccountBalance(t, setupEnv.Clients.Hedera, setupEnv.Clients.Hedera.GetOperatorAccountID())
targetAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, constants.HederaNetworkId, chainId, constants.Hbar)
if err != nil {
t.Fatalf("Expecting Token [%s] is not supported. - Error: [%s]", constants.Hbar, err)
}
// Step 1 - Calculate Expected Receive And Fee Amounts
expectedReceiveAmount, fee := expected.ReceiverAndFeeAmounts(setupEnv.Clients.FeeCalculator, setupEnv.Clients.Distributor, constants.Hbar, amount)
// Step 2 - Submit burn transaction to the bridge contract
burnTxReceipt, expectedRouterBurn := submit.BurnEthTransaction(t, setupEnv.AssetMappings, evm, constants.Hbar, constants.HederaNetworkId, chainId, setupEnv.Clients.Hedera.GetOperatorAccountID().ToBytes(), amount)
// Step 2.1 - Get the block timestamp of burn event
block, err := evm.EVMClient.BlockByNumber(context.Background(), burnTxReceipt.BlockNumber)
if err != nil {
t.Fatal("failed to get block by number", err)
}
blockTimestamp := time.Unix(int64(block.Time()), 0).UTC()
// Step 3 - Validate that the burn transaction went through and emitted the correct events
expectedId := verify.BurnEvent(t, burnTxReceipt, expectedRouterBurn)
// Step 4 - Validate that a scheduled transaction was submitted
expectedTransfers := expected.MirrorNodeExpectedTransfersForBurnEvent(setupEnv.Members, setupEnv.Clients.Hedera, setupEnv.BridgeAccount, constants.Hbar, expectedReceiveAmount, fee)
transactionID, scheduleID := verify.SubmittedScheduledTx(t, setupEnv.Clients.Hedera, setupEnv.Clients.MirrorNode, setupEnv.Members, constants.Hbar, expectedTransfers, now)
// Step 5 - Validate Event Transaction ID retrieved from Validator API
verify.EventTransactionIDFromValidatorAPI(t, setupEnv.Clients.ValidatorClient, expectedId, transactionID)
// Step 6 - Validate that the balance of the receiver account (hedera) was changed with the correct amount
verify.ReceiverAccountBalance(t, setupEnv.Clients.Hedera, uint64(expectedReceiveAmount), accountBalanceBefore, constants.Hbar, setupEnv.TokenID)
// Step 7 - Prepare Expected Database Records
expectedBurnEventRecord := expected.FungibleTransferRecord(
chainId,
constants.HederaNetworkId,
constants.HederaNetworkId,
expectedId,
targetAsset,
constants.Hbar,
constants.Hbar,
strconv.FormatInt(amount, 10),
strconv.FormatInt(fee, 10),
setupEnv.Clients.Hedera.GetOperatorAccountID().String(),
status.Completed,
evm.Signer.Address(),
entity.NanoTime{Time: blockTimestamp},
)
// and:
expectedFeeRecord := expected.FeeRecord(transactionID, scheduleID, fee, expectedId)
// Step 8 - Validate Database Records
verify.TransferRecord(t, setupEnv.DbValidator, expectedBurnEventRecord)
// and:
verify.FeeRecord(t, setupEnv.DbValidator, expectedFeeRecord)
}
// Test_EVM_Hedera_Token recreates a real life situation of a user who wants to return a Hedera native token from the EVM Network infrastructure. The wrapped token on the EVM network(corresponding to the native Hedera one) gets burned, then the amount gets unlocked on the Hedera bridge account, forwarding it to the recipient account.
func Test_EVM_Hedera_Token(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
amount := setupEnv.Scenario.AmountEvmWrapped
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
accountBalanceBefore := fetch.HederaAccountBalance(t, setupEnv.Clients.Hedera, setupEnv.Clients.Hedera.GetOperatorAccountID())
targetAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, constants.HederaNetworkId, chainId, setupEnv.TokenID.String())
if err != nil {
t.Fatalf("Expecting Token [%s] is not supported. - Error: [%s]", setupEnv.TokenID.String(), err)
}
// Step 1 - Calculate Expected Receive Amount
expectedReceiveAmount, fee := expected.ReceiverAndFeeAmounts(setupEnv.Clients.FeeCalculator, setupEnv.Clients.Distributor, setupEnv.TokenID.String(), amount)
// Step 2 - Submit burn transaction to the bridge contract
burnTxReceipt, expectedRouterBurn := submit.BurnEthTransaction(t, setupEnv.AssetMappings, evm, setupEnv.TokenID.String(), constants.HederaNetworkId, chainId, setupEnv.Clients.Hedera.GetOperatorAccountID().ToBytes(), amount)
// Step 2.1 - Get the block timestamp of burn event
block, err := evm.EVMClient.BlockByNumber(context.Background(), burnTxReceipt.BlockNumber)
if err != nil {
t.Fatal("failed to get block by number", err)
}
blockTimestamp := time.Unix(int64(block.Time()), 0).UTC()
// Step 3 - Validate that the burn transaction went through and emitted the correct events
expectedId := verify.BurnEvent(t, burnTxReceipt, expectedRouterBurn)
// Step 4 - Validate that a scheduled transaction was submitted
expectedTransfers := expected.MirrorNodeExpectedTransfersForBurnEvent(setupEnv.Members, setupEnv.Clients.Hedera, setupEnv.BridgeAccount, setupEnv.TokenID.String(), expectedReceiveAmount, fee)
transactionID, scheduleID := verify.SubmittedScheduledTx(t, setupEnv.Clients.Hedera, setupEnv.Clients.MirrorNode, setupEnv.Members, setupEnv.TokenID.String(), expectedTransfers, now)
// Step 5 - Validate Event Transaction ID retrieved from Validator API
verify.EventTransactionIDFromValidatorAPI(t, setupEnv.Clients.ValidatorClient, expectedId, transactionID)
// Step 6 - Validate that the balance of the receiver account (hedera) was changed with the correct amount
verify.ReceiverAccountBalance(t, setupEnv.Clients.Hedera, uint64(expectedReceiveAmount), accountBalanceBefore, setupEnv.TokenID.String(), setupEnv.TokenID)
// Step 7 - Prepare Expected Database Records
expectedBurnEventRecord := expected.FungibleTransferRecord(
chainId,
constants.HederaNetworkId,
constants.HederaNetworkId,
expectedId,
targetAsset,
setupEnv.TokenID.String(),
setupEnv.TokenID.String(),
strconv.FormatInt(amount, 10),
strconv.FormatInt(fee, 10),
setupEnv.Clients.Hedera.GetOperatorAccountID().String(),
status.Completed,
evm.Signer.Address(),
entity.NanoTime{Time: blockTimestamp},
)
// and:
expectedFeeRecord := expected.FeeRecord(transactionID, scheduleID, fee, expectedId)
// Step 8 - Validate Database Records
verify.TransferRecord(t, setupEnv.DbValidator, expectedBurnEventRecord)
// and:
verify.FeeRecord(t, setupEnv.DbValidator, expectedFeeRecord)
}
// Test_EVM_Hedera_Native_Token recreates a real life situation of a user who wants to bridge an EVM native token to the Hedera infrastructure. A new wrapped token (corresponding to the native EVM one) gets minted to the bridge account, then gets transferred to the recipient account.
func Test_EVM_Hedera_Native_Token(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
amount := setupEnv.Scenario.AmountEvmNative
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
bridgeAccountBalanceBefore := fetch.HederaAccountBalance(t, setupEnv.Clients.Hedera, setupEnv.BridgeAccount)
receiverAccountBalanceBefore := fetch.HederaAccountBalance(t, setupEnv.Clients.Hedera, setupEnv.Clients.Hedera.GetOperatorAccountID())
targetAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, chainId, constants.HederaNetworkId, setupEnv.NativeEvmToken)
if err != nil {
t.Fatal(err)
}
// Step 1: Submit Lock Txn from a deployed smart contract
receipt, expectedLockEventLog := submit.LockEthTransaction(t, evm, setupEnv.NativeEvmToken, constants.HederaNetworkId, setupEnv.Clients.Hedera.GetOperatorAccountID().ToBytes(), amount)
// Step 1.1 - Get the block timestamp of lock event
block, err := evm.EVMClient.BlockByNumber(context.Background(), receipt.BlockNumber)
if err != nil {
t.Fatal("failed to get block by number", err)
}
blockTimestamp := time.Unix(int64(block.Time()), 0).UTC()
// Step 2: Validate Lock Event was emitted with correct data
lockEventId := verify.LockEvent(t, receipt, expectedLockEventLog)
bridgedAmount := new(big.Int).Sub(expectedLockEventLog.Amount, expectedLockEventLog.ServiceFee)
// expectedAmount, err := utilities.RemoveDecimals(bridgedAmount.Int64(), common.HexToAddress(setupEnv.NativeEvmToken), evm)
// if err != nil {
// t.Fatal(err)
// }
expectedAmount := bridgedAmount.Int64()
mintTransfer := []transaction.Transfer{
{
Account: setupEnv.BridgeAccount.String(),
Amount: expectedAmount,
Token: targetAsset,
},
}
// Step 3: Validate that a scheduled token mint txn was submitted successfully
bridgeMintTransactionID, bridgeMintScheduleID := verify.ScheduledMintTx(t, setupEnv.Clients.MirrorNode, setupEnv.BridgeAccount, setupEnv.TokenID.String(), mintTransfer, now)
// Step 4: Validate that Database statuses were changed correctly
expectedLockEventRecord := expected.FungibleTransferRecord(
chainId,
constants.HederaNetworkId,
chainId,
lockEventId,
setupEnv.NativeEvmToken,
targetAsset,
setupEnv.NativeEvmToken,
strconv.FormatInt(expectedAmount, 10),
"",
setupEnv.Clients.Hedera.GetOperatorAccountID().String(),
status.Completed,
evm.Signer.Address(),
entity.NanoTime{Time: blockTimestamp},
)
expectedScheduleMintRecord := expected.ScheduleRecord(
bridgeMintTransactionID,
bridgeMintScheduleID,
schedule.MINT,
false,
status.Completed,
sql.NullString{
String: lockEventId,
Valid: true,
},
)
// Step 5: Verify that records have been created successfully
verify.TransferRecord(t, setupEnv.DbValidator, expectedLockEventRecord)
verify.ScheduleRecord(t, setupEnv.DbValidator, expectedScheduleMintRecord)
// Step 6: Validate that a scheduled transfer txn was submitted successfully
bridgeTransferTransactionID, bridgeTransferScheduleID := verify.ScheduledTx(
t,
setupEnv.Clients.Hedera,
setupEnv.Clients.MirrorNode,
setupEnv.Clients.Hedera.GetOperatorAccountID(),
setupEnv.TokenID.String(),
expected.MirrorNodeExpectedTransfersForLockEvent(setupEnv.Clients.Hedera, setupEnv.BridgeAccount, targetAsset, expectedAmount),
now,
)
// Step 7: Validate that database statuses were updated correctly for the Schedule Transfer
expectedScheduleTransferRecord := &entity.Schedule{
TransactionID: bridgeTransferTransactionID,
ScheduleID: bridgeTransferScheduleID,
Operation: schedule.TRANSFER,
HasReceiver: true,
Status: status.Completed,
TransferID: sql.NullString{
String: lockEventId,
Valid: true,
},
}
verify.ScheduleRecord(t, setupEnv.DbValidator, expectedScheduleTransferRecord)
// Step 8 Validate Treasury(BridgeAccount) Balance and Receiver Balance
verify.AccountBalance(t, setupEnv.Clients.Hedera, setupEnv.BridgeAccount, 0, bridgeAccountBalanceBefore, targetAsset)
verify.AccountBalance(t, setupEnv.Clients.Hedera, setupEnv.Clients.Hedera.GetOperatorAccountID(), uint64(expectedAmount), receiverAccountBalanceBefore, targetAsset)
}
// Test_E2E_Hedera_EVM_Native_Token recreates a real life situation of a user who wants to bridge a Hedera wrapped token to the EVM Native Network infrastructure. The wrapped token on the EVM network(corresponding to the native Hedera Hashgraph's one) gets minted, then transferred to the recipient account on the EVM network.
func Test_E2E_Hedera_EVM_Native_Token(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
unlockAmount := setupEnv.Scenario.AmountHederaWrapped
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
memo := fmt.Sprintf("%d-%s", chainId, evm.Receiver.String())
// Step 1 - Verify the transfer of HTS to the Bridge Account
wrappedAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, chainId, constants.HederaNetworkId, setupEnv.NativeEvmToken)
if err != nil {
t.Fatal(err)
}
tokenID, err := hedera.TokenIDFromString(wrappedAsset)
if err != nil {
t.Fatal(err)
}
// expectedSubmitUnlockAmount, err := utilities.AddDecimals(unlockAmount, common.HexToAddress(setupEnv.NativeEvmToken), evm)
// if err != nil {
// t.Fatal(err)
// }
transactionResponse, nativeBalanceBefore := verify.TokenTransferToBridgeAccount(t, setupEnv.Clients.Hedera, setupEnv.BridgeAccount, setupEnv.NativeEvmToken, tokenID, evm, memo, evm.Receiver, unlockAmount)
burnTransfer := []transaction.Transfer{
{
Account: setupEnv.BridgeAccount.String(),
Amount: -unlockAmount,
Token: wrappedAsset,
},
}
// Step 2 - Verify the submitted topic messages
receivedSignatures := verify.TopicMessagesWithStartTime(t, setupEnv.Clients.Hedera, setupEnv.TopicID, setupEnv.Scenario.ExpectedValidatorsCount, hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(), now.UnixNano())
// Step 3 - Validate burn scheduled transaction
burnTransactionID, burnScheduleID := verify.ScheduledBurnTx(t, setupEnv.Clients.MirrorNode, setupEnv.BridgeAccount, setupEnv.TokenID.String(), burnTransfer, now)
// Step 4 - Verify Transfer retrieved from Validator API
transactionData := verify.FungibleTransferFromValidatorAPI(
t,
setupEnv.Clients.ValidatorClient,
setupEnv.TokenID,
evm,
hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(),
setupEnv.NativeEvmToken,
fmt.Sprint(unlockAmount),
setupEnv.NativeEvmToken,
)
// Step 4.1 - Get the consensus timestamp of the transfer
tx, err := setupEnv.Clients.MirrorNode.GetSuccessfulTransaction(hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String())
if err != nil {
t.Fatal("failed to get successful transaction", err)
}
nanos, err := timestamp.FromString(tx.ConsensusTimestamp)
if err != nil {
t.Fatal("failed to parse consensus timestamp", err)
}
ts := timestamp.FromNanos(nanos)
// Step 5 - Submit Unlock transaction
txHash := submit.UnlockTransaction(t, evm, hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(), transactionData, common.HexToAddress(setupEnv.NativeEvmToken))
// Step 6 - Wait for transaction to be mined
submit.WaitForTransaction(t, evm, txHash)
expectedUnlockedAmount, _ := expected.EvmAmoundAndFee(evm.RouterContract, setupEnv.NativeEvmToken, unlockAmount, t)
// Step 7 - Validate Token balances
verify.WrappedAssetBalance(t, evm, setupEnv.NativeEvmToken, expectedUnlockedAmount, nativeBalanceBefore, evm.Receiver)
// Step 8 - Verify Database records
expectedTxRecord := expected.FungibleTransferRecord(
constants.HederaNetworkId,
chainId,
chainId,
hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(),
wrappedAsset,
setupEnv.NativeEvmToken,
setupEnv.NativeEvmToken,
strconv.FormatInt(unlockAmount, 10),
"",
evm.Receiver.String(),
status.Completed,
setupEnv.Clients.Hedera.GetOperatorAccountID().String(),
entity.NanoTime{Time: ts},
)
// Step 8: Validate that database statuses were updated correctly for the Schedule Burn
expectedScheduleBurnRecord := expected.ScheduleRecord(
burnTransactionID,
burnScheduleID,
schedule.BURN,
false,
status.Completed,
sql.NullString{
String: hederahelper.FromHederaTransactionID(transactionResponse.TransactionID).String(),
Valid: true,
},
)
authMsgBytes, err := auth_message.EncodeFungibleBytesFrom(
expectedTxRecord.SourceChainID,
expectedTxRecord.TargetChainID,
expectedTxRecord.TransactionID,
expectedTxRecord.TargetAsset,
expectedTxRecord.Receiver,
strconv.FormatInt(unlockAmount, 10),
)
if err != nil {
t.Fatalf("[%s] - Failed to encode the authorization signature. Error: [%s]", expectedTxRecord.TransactionID, err)
}
// Step 9 - Verify Database Records
verify.TransferRecordAndSignatures(t, setupEnv.DbValidator, expectedTxRecord, authMsgBytes, receivedSignatures)
// and
verify.ScheduleRecord(t, setupEnv.DbValidator, expectedScheduleBurnRecord)
}
// Test_EVM_Native_to_EVM_Token recreates a real life situation of a user who wants to bridge an EVM native token to another EVM chain.
func Test_EVM_Native_to_EVM_Token(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
amount := setupEnv.Scenario.AmountEvmNative
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
targetChainID := setupEnv.Scenario.SecondEvmChainId
wrappedAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, chainId, targetChainID, setupEnv.NativeEvmToken)
if err != nil {
t.Fatal(err)
}
wrappedEvm := setupEnv.Clients.EVM[targetChainID]
wrappedInstance, err := evmSetup.InitAssetContract(wrappedAsset, wrappedEvm.EVMClient)
if err != nil {
t.Fatal(err)
}
wrappedBalanceBefore, err := wrappedInstance.BalanceOf(&bind.CallOpts{}, evm.Receiver)
if err != nil {
t.Fatal(err)
}
// Step 1 - Submit Lock Txn from a deployed smart contract
receipt, expectedLockEventLog := submit.LockEthTransaction(t, evm, setupEnv.NativeEvmToken, targetChainID, evm.Receiver.Bytes(), amount)
expectedAmount := new(big.Int).Sub(expectedLockEventLog.Amount, expectedLockEventLog.ServiceFee)
// Step 1.1 - Get the block timestamp of the lock event
block, err := evm.EVMClient.BlockByNumber(context.Background(), receipt.BlockNumber)
if err != nil {
t.Fatal("failed to get block by number", err)
}
blockTimestamp := time.Unix(int64(block.Time()), 0).UTC()
// Step 2 - Validate Lock Event was emitted with correct data
lockEventId := verify.LockEvent(t, receipt, expectedLockEventLog)
// Step 3 - Verify the submitted topic messages
receivedSignatures := verify.TopicMessagesWithStartTime(t, setupEnv.Clients.Hedera, setupEnv.TopicID, setupEnv.Scenario.ExpectedValidatorsCount, lockEventId, now.UnixNano())
// Step 4 - Verify Transfer retrieved from Validator API
transactionData := verify.FungibleTransferFromValidatorAPI(t, setupEnv.Clients.ValidatorClient, setupEnv.TokenID, evm, lockEventId, setupEnv.NativeEvmToken, expectedAmount.String(), wrappedAsset)
// Step 5 - Submit Mint transaction
txHash := submit.MintTransaction(t, wrappedEvm, lockEventId, transactionData, common.HexToAddress(wrappedAsset))
// Step 6 - Wait for transaction to be mined
submit.WaitForTransaction(t, wrappedEvm, txHash)
// Step 7 - Validate Token balances
verify.WrappedAssetBalance(t, wrappedEvm, wrappedAsset, expectedAmount, wrappedBalanceBefore, evm.Receiver)
// Step 8 - Prepare expected Transfer record
expectedLockEventRecord := expected.FungibleTransferRecord(
chainId,
targetChainID,
chainId,
lockEventId,
setupEnv.NativeEvmToken,
wrappedAsset,
setupEnv.NativeEvmToken,
expectedAmount.String(),
"",
evm.Receiver.String(),
status.Completed,
evm.Signer.Address(),
entity.NanoTime{Time: blockTimestamp},
)
authMsgBytes, err := auth_message.EncodeFungibleBytesFrom(
expectedLockEventRecord.SourceChainID,
expectedLockEventRecord.TargetChainID,
expectedLockEventRecord.TransactionID,
expectedLockEventRecord.TargetAsset,
expectedLockEventRecord.Receiver,
expectedAmount.String(),
)
if err != nil {
t.Fatalf("[%s] - Failed to encode the authorisation signature. Error: [%s]", expectedLockEventRecord.TransactionID, err)
}
// Step 9 - Verify Database Records
verify.TransferRecordAndSignatures(t, setupEnv.DbValidator, expectedLockEventRecord, authMsgBytes, receivedSignatures)
}
// Test_EVM_Wrapped_to_EVM_Token recreates a real life situation of a user who wants to bridge an EVM native token to another EVM chain.
func Test_EVM_Wrapped_to_EVM_Token(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
amount := setupEnv.Scenario.AmountEvmWrapped
chainId := setupEnv.Scenario.FirstEvmChainId
sourceChain := setupEnv.Scenario.SecondEvmChainId
wrappedEvm := setupEnv.Clients.EVM[sourceChain]
sourceAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, chainId, sourceChain, setupEnv.NativeEvmToken)
if err != nil {
t.Fatal(err)
}
evm := setupEnv.Clients.EVM[chainId]
nativeInstance, err := evmSetup.InitAssetContract(setupEnv.NativeEvmToken, evm.EVMClient)
if err != nil {
t.Fatal(err)
}
nativeBalanceBefore, err := nativeInstance.BalanceOf(&bind.CallOpts{}, evm.Receiver)
if err != nil {
t.Fatal(err)
}
// Step 1 - Submit Lock Txn from a deployed smart contract
receipt, expectedLockEventLog := submit.BurnEthTransaction(t, setupEnv.AssetMappings, wrappedEvm, setupEnv.NativeEvmToken, chainId, sourceChain, evm.Receiver.Bytes(), amount)
// Step 1.1 - Get the block timestamp of the burn event
blockTimestamp := time.Unix(int64(wrappedEvm.EVMClient.GetBlockTimestamp(receipt.BlockNumber)), 0).UTC()
// Step 2 - Validate Burn Event was emitted with correct data
burnEventId := verify.BurnEvent(t, receipt, expectedLockEventLog)
// Step 3 - Verify the submitted topic messages
receivedSignatures := verify.TopicMessagesWithStartTime(t, setupEnv.Clients.Hedera, setupEnv.TopicID, setupEnv.Scenario.ExpectedValidatorsCount, burnEventId, now.UnixNano())
// Step 4 - Verify Transfer retrieved from Validator API
transactionData := verify.FungibleTransferFromValidatorAPI(t, setupEnv.Clients.ValidatorClient, setupEnv.TokenID, evm, burnEventId, setupEnv.NativeEvmToken, fmt.Sprint(amount), setupEnv.NativeEvmToken)
// Get fee amount from wrapped network Router
_, feeAmount := expected.EvmAmoundAndFee(evm.RouterContract, setupEnv.NativeEvmToken, amount, t)
// Step 5 - Submit Mint transaction
txHash := submit.UnlockTransaction(t, evm, burnEventId, transactionData, common.HexToAddress(setupEnv.NativeEvmToken))
// Step 6 - Wait for transaction to be mined
submit.WaitForTransaction(t, evm, txHash)
expectedUnlockedAmount := amount - feeAmount.Int64()
// Step 7 - Validate Token balances
verify.WrappedAssetBalance(t, evm, setupEnv.NativeEvmToken, big.NewInt(expectedUnlockedAmount), nativeBalanceBefore, evm.Receiver)
// Step 8 - Prepare expected Transfer record
expectedLockEventRecord := expected.FungibleTransferRecord(
sourceChain,
chainId,
chainId,
burnEventId,
sourceAsset,
setupEnv.NativeEvmToken,
setupEnv.NativeEvmToken,
strconv.FormatInt(amount, 10),
"",
evm.Receiver.String(),
status.Completed,
wrappedEvm.Signer.Address(),
entity.NanoTime{Time: blockTimestamp},
)
authMsgBytes, err := auth_message.EncodeFungibleBytesFrom(
expectedLockEventRecord.SourceChainID,
expectedLockEventRecord.TargetChainID,
expectedLockEventRecord.TransactionID,
expectedLockEventRecord.TargetAsset,
expectedLockEventRecord.Receiver,
strconv.FormatInt(amount, 10),
)
if err != nil {
t.Fatalf("[%s] - Failed to encode the authorisation signature. Error: [%s]", expectedLockEventRecord.TransactionID, err)
}
// Step 9 - Verify Database Records
verify.TransferRecordAndSignatures(t, setupEnv.DbValidator, expectedLockEventRecord, authMsgBytes, receivedSignatures)
}
// Test_Hedera_Native_EVM_NFT_Transfer recreates User who wants to portal a Hedera Native NFT to an EVM chain.
func Test_Hedera_Native_EVM_NFT_Transfer(t *testing.T) {
if testing.Short() {
t.Skip("test skipped in short mode")
}
setupEnv := setup.Load()
now := time.Now()
nftToken := setupEnv.NftTokenID.String()
serialNumber := setupEnv.NftSerialNumber
chainId := setupEnv.Scenario.FirstEvmChainId
evm := setupEnv.Clients.EVM[chainId]
receiver := evm.Receiver
targetAsset, err := evmSetup.NativeToWrappedAsset(setupEnv.AssetMappings, constants.HederaNetworkId, chainId, nftToken)
if err != nil {
t.Fatalf("Expecting Token [%s] is not supported. - Error: [%s]", setupEnv.NftTokenID.String(), err)
}
transferFee := setupEnv.NftConstantFees[nftToken]
validatorsFee := setupEnv.Clients.Distributor.ValidAmount(transferFee)
// Step 1 - Get Token Metadata
nftData, err := setupEnv.Clients.MirrorNode.GetNft(nftToken, serialNumber)
if err != nil {
t.Fatalf("Failed to get mirror node nft. Error [%s]", err)
}
originator := nftData.AccountID
nftInfo, ok := setupEnv.AssetMappings.NonFungibleAssetInfo(constants.HederaNetworkId, nftToken)
if !ok {
t.Fatalf("Failed to asset info for NFT [%s]. Error [%s]", nftToken, err)
}
if originator != nftInfo.TreasuryAccountId {
transferFee += nftInfo.CustomFeeTotalAmounts.FallbackFeeAmountInHbar
}
decodedMetadata, e := base64.StdEncoding.DecodeString(nftData.Metadata)
if e != nil {
t.Fatalf("Failed to decode metadata [%s]. Error [%s]", nftData.Metadata, e)
}
nftIDString := fmt.Sprintf("%d@%s", serialNumber, nftToken)
nftID, err := hedera.NftIDFromString(nftIDString)
if err != nil {
t.Fatalf("Failed to parse NFT ID [%s]. Error: [%s]", nftIDString, err)
}
// Step 2 - Send the NFT Allowance for the Payer Account
_, err = verify.SendNFTAllowance(setupEnv.Clients.Hedera, nftID, setupEnv.Clients.Hedera.GetOperatorAccountID(), setupEnv.PayerAccount)
if err != nil {
t.Fatalf("Failed to send Allowance for NFT [%s]. Error: [%s]", nftIDString, err)
}
signaturesStartTime := time.Now().UnixNano()
// Step 3 - Send the NFT transfer, including the fee to the Bridge Account
memo := fmt.Sprintf("%d-%s-%s", chainId, receiver, nftID.String())
feeResponse, err := submit.FeeForNFTToBridgeAccount(setupEnv.Clients.Hedera, setupEnv.BridgeAccount, memo, nftID, transferFee)
if err != nil {
t.Fatalf("Failed to send Fee and allowance for NFT transfer. Error: [%s]", err)
}
transactionID := hederahelper.FromHederaTransactionID(feeResponse.TransactionID).String()
// Step 4 - Validate that a scheduled NFT transaction to the bridge account was submitted by a validator
verify.ScheduledNftTransfer(t, setupEnv.Clients.Hedera, setupEnv.Clients.MirrorNode, setupEnv.BridgeAccount, nftToken, serialNumber)
// Step 5 - Verify the submitted topic messages
receivedSignatures := verify.TopicMessagesWithStartTime(t, setupEnv.Clients.Hedera, setupEnv.TopicID, setupEnv.Scenario.ExpectedValidatorsCount, hederahelper.FromHederaTransactionID(feeResponse.TransactionID).String(), signaturesStartTime)
// Step 6 - Validate members fee scheduled transaction
expectedTransfers := expected.MirrorNodeExpectedTransfersForHederaTransfer(setupEnv.Members, setupEnv.BridgeAccount, constants.Hbar, validatorsFee)
scheduledTxID, scheduleID := verify.MembersScheduledTxs(t, setupEnv.Clients.Hedera, setupEnv.Clients.MirrorNode, setupEnv.Members, constants.Hbar, expectedTransfers, now)
// Step 7 - Verify Non-Fungible Transfer retrieved from Validator API
transactionData := verify.NonFungibleTransferFromValidatorAPI(
t,
setupEnv.Clients.ValidatorClient,
setupEnv.TokenID,
evm,
transactionID,
nftToken,
string(decodedMetadata),
serialNumber,
targetAsset,
)
// Step 7.1 - Get the consensus timestamp of the transfer
tx, err := setupEnv.Clients.MirrorNode.GetSuccessfulTransaction(transactionID)
if err != nil {
t.Fatal("failed to get successful transaction", err)
}
nanos, err := timestamp.FromString(tx.ConsensusTimestamp)
if err != nil {
t.Fatal("failed to parse consensus timestamp", err)
}
ts := timestamp.FromNanos(nanos)
// Step 8 - Submit Mint ERC-721 transaction
txHash := submit.MintERC721Transaction(t, evm, transactionID, transactionData)
// Step 9 - Wait for transaction to be mined
submit.WaitForTransaction(t, evm, txHash)
// Step 10 - Validate EVM TokenId
verify.ERC721TokenId(t, evm.EVMClient, targetAsset, serialNumber, receiver.String(), string(decodedMetadata))
// Step 11 - Verify Database records
expectedTxRecord := &entity.Transfer{
TransactionID: transactionID,
SourceChainID: constants.HederaNetworkId,
TargetChainID: chainId,
NativeChainID: constants.HederaNetworkId,
SourceAsset: nftToken,
TargetAsset: targetAsset,
NativeAsset: nftToken,
Receiver: receiver.String(),
Amount: "",
Fee: strconv.FormatInt(validatorsFee, 10),
Status: status.Completed,
SerialNumber: serialNumber,
Metadata: string(decodedMetadata),
IsNft: true,
Originator: setupEnv.Clients.Hedera.GetOperatorAccountID().String(),
Timestamp: entity.NanoTime{Time: ts},
}
// and:
expectedFeeRecord := expected.FeeRecord(
scheduledTxID,
scheduleID, validatorsFee,
transactionID)
// and:
expectedScheduleTransferRecord := &entity.Schedule{
TransactionID: scheduledTxID,
ScheduleID: scheduleID,
Operation: schedule.TRANSFER,
HasReceiver: false,
Status: status.Completed,
TransferID: sql.NullString{
String: transactionID,
Valid: true,
},
}
// and recreate signed auth message
authMsgBytes, err := auth_message.EncodeNftBytesFrom(
expectedTxRecord.SourceChainID,
expectedTxRecord.TargetChainID,
expectedTxRecord.TransactionID,