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173 changes: 173 additions & 0 deletions deployment/ccip/adapters/fee_aggregator.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,173 @@
package adapters

import (
"fmt"

"github.com/Masterminds/semver/v3"
"github.com/aptos-labs/aptos-go-sdk"

cldf_chain "github.com/smartcontractkit/chainlink-deployments-framework/chain"
"github.com/smartcontractkit/chainlink-deployments-framework/datastore"
cldf "github.com/smartcontractkit/chainlink-deployments-framework/deployment"
cldf_ops "github.com/smartcontractkit/chainlink-deployments-framework/operations"

"github.com/smartcontractkit/chainlink-ccip/deployment/fees"
datastore_utils "github.com/smartcontractkit/chainlink-ccip/deployment/utils/datastore"
"github.com/smartcontractkit/chainlink-ccip/deployment/utils/sequences"

"github.com/smartcontractkit/chainlink-aptos/bindings/ccip_onramp"
module_onramp "github.com/smartcontractkit/chainlink-aptos/bindings/ccip_onramp/onramp"
"github.com/smartcontractkit/chainlink-aptos/deployment/ccip/operation"
)

// FeeAggregatorAdapter implements fees.FeeAggregatorAdapter for Aptos. On Aptos the fee
// aggregator is stored in the OnRamp DynamicConfig, the direct analog of EVM 1.6.
type FeeAggregatorAdapter struct{}

var _ fees.FeeAggregatorAdapter = (*FeeAggregatorAdapter)(nil)

// onrampDynamicConfigReader reads the OnRamp DynamicConfig. It is a package var so tests
// can stub the on-chain read without a live Aptos client.
var onrampDynamicConfigReader = func(ccipAddress aptos.AccountAddress, client aptos.AptosRpcClient) (module_onramp.DynamicConfig, error) {
return ccip_onramp.Bind(ccipAddress, client).Onramp().GetDynamicConfig(nil)
}

// resolveAptosCCIPAddress returns the Aptos CCIP module account address for the chain.
// Aptos uses a single module account for OnRamp/OffRamp/Router/FeeQuoter, so by default
// it is resolved from the datastore; an explicit single contract ref overrides it.
func resolveAptosCCIPAddress(e cldf.Environment, chainSelector uint64, contracts []datastore.AddressRef) (aptos.AccountAddress, error) {
var (
ccipBytes []byte
err error
)
switch len(contracts) {
case 0:
ccipBytes, err = getCCIPAccountBytes(e.DataStore, chainSelector)
case 1:
ccipBytes, err = datastore_utils.FindAndFormatRef(e.DataStore, contracts[0], chainSelector, accountAddressToBytes)
default:
return aptos.AccountAddress{}, fmt.Errorf("aptos fee aggregator adapter supports exactly one contract ref, got %d", len(contracts))
}
if err != nil {
return aptos.AccountAddress{}, err
}
var addr aptos.AccountAddress
copy(addr[:], ccipBytes)
return addr, nil
}

func (a *FeeAggregatorAdapter) GetFeeAggregator(e cldf.Environment, chainSelector uint64) (string, error) {
chain, ok := e.BlockChains.AptosChains()[chainSelector]
if !ok {
return "", fmt.Errorf("aptos chain with selector %d not defined", chainSelector)
}
ccipAddr, err := resolveAptosCCIPAddress(e, chainSelector, nil)
if err != nil {
return "", err
}
dc, err := onrampDynamicConfigReader(ccipAddr, chain.Client)
if err != nil {
return "", fmt.Errorf("failed to read OnRamp dynamic config on chain %d: %w", chainSelector, err)
}
return dc.FeeAggregator.StringLong(), nil
}

func (a *FeeAggregatorAdapter) SetFeeAggregator(e cldf.Environment) *cldf_ops.Sequence[fees.FeeAggregatorForChain, sequences.OnChainOutput, cldf_chain.BlockChains] {
return cldf_ops.NewSequence(
"aptos/sequences/ccip/tooling-api/set-fee-aggregator",
semver.MustParse("1.6.0"),
"Sets the fee aggregator on the Aptos CCIP 1.6.0 OnRamp dynamic config",
func(b cldf_ops.Bundle, chains cldf_chain.BlockChains, input fees.FeeAggregatorForChain) (sequences.OnChainOutput, error) {
var result sequences.OnChainOutput

chain, ok := chains.AptosChains()[input.ChainSelector]
if !ok {
return result, fmt.Errorf("aptos chain with selector %d not defined", input.ChainSelector)
}

var feeAggregator aptos.AccountAddress
if err := feeAggregator.ParseStringRelaxed(input.FeeAggregator); err != nil {
return result, fmt.Errorf("invalid fee aggregator address %q: %w", input.FeeAggregator, err)
}
Comment thread
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if feeAggregator == (aptos.AccountAddress{}) {
return result, fmt.Errorf("fee aggregator address must not be zero on chain %d", input.ChainSelector)
}

ccipAddr, err := resolveAptosCCIPAddress(e, input.ChainSelector, input.Contracts)
if err != nil {
return result, err
}

// set_dynamic_config writes both fields; preserve the current allowlist admin.
current, err := onrampDynamicConfigReader(ccipAddr, chain.Client)
if err != nil {
return result, fmt.Errorf("failed to read OnRamp dynamic config on chain %d: %w", input.ChainSelector, err)
}

deps := buildAptosDeps(chain, input.ChainSelector, ccipAddr[:])
report, err := cldf_ops.ExecuteOperation(b, operation.SetOnRampDynamicConfigOp, deps, operation.SetOnRampDynamicConfigInput{
FeeAggregator: feeAggregator,
AllowlistAdmin: current.AllowlistAdmin,
})
if err != nil {
return result, fmt.Errorf("failed to set OnRamp dynamic config on chain %d: %w", input.ChainSelector, err)
}
appendBatchOp(&result, input.ChainSelector, report.Output)
return result, nil
},
)
}

func (a *FeeAggregatorAdapter) WithdrawFeeTokens(e cldf.Environment) *cldf_ops.Sequence[fees.WithdrawFeeTokensForChain, sequences.OnChainOutput, cldf_chain.BlockChains] {
return cldf_ops.NewSequence(
"aptos/sequences/ccip/tooling-api/withdraw-fee-tokens",
semver.MustParse("1.6.0"),
"Withdraws accumulated fee token balances to the fee aggregator on the Aptos CCIP 1.6.0 OnRamp",
func(b cldf_ops.Bundle, chains cldf_chain.BlockChains, input fees.WithdrawFeeTokensForChain) (sequences.OnChainOutput, error) {
var result sequences.OnChainOutput

chain, ok := chains.AptosChains()[input.ChainSelector]
if !ok {
return result, fmt.Errorf("aptos chain with selector %d not defined", input.ChainSelector)
}
if len(input.FeeTokens) == 0 {
return result, fmt.Errorf("no fee tokens provided for chain %d", input.ChainSelector)
}

feeTokens := make([]aptos.AccountAddress, 0, len(input.FeeTokens))
for _, ft := range input.FeeTokens {
// Amount is intentionally ignored: withdraw_fee_tokens sweeps the full balance.
Comment thread
b-gopalswami marked this conversation as resolved.
var token aptos.AccountAddress
if err := token.ParseStringRelaxed(ft.Token); err != nil {
return result, fmt.Errorf("invalid fee token address %q on chain %d: %w", ft.Token, input.ChainSelector, err)
}
feeTokens = append(feeTokens, token)
}

ccipAddr, err := resolveAptosCCIPAddress(e, input.ChainSelector, input.Contracts)
if err != nil {
return result, err
}

// withdraw_fee_tokens aborts on-chain if the fee aggregator is unset (@0x0);
// fail early with a clearer message.
current, err := onrampDynamicConfigReader(ccipAddr, chain.Client)
if err != nil {
return result, fmt.Errorf("failed to read OnRamp dynamic config on chain %d: %w", input.ChainSelector, err)
}
if current.FeeAggregator == (aptos.AccountAddress{}) {
return result, fmt.Errorf("fee aggregator is not set on OnRamp (chain %d); set it before withdrawing fee tokens", input.ChainSelector)
}

deps := buildAptosDeps(chain, input.ChainSelector, ccipAddr[:])
report, err := cldf_ops.ExecuteOperation(b, operation.WithdrawFeeTokensOp, deps, operation.WithdrawFeeTokensInput{
FeeTokens: feeTokens,
})
if err != nil {
return result, fmt.Errorf("failed to withdraw fee tokens on chain %d: %w", input.ChainSelector, err)
}
appendBatchOp(&result, input.ChainSelector, report.Output)
return result, nil
},
)
}
145 changes: 145 additions & 0 deletions deployment/ccip/adapters/fee_aggregator_test.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,145 @@
package adapters

import (
"context"
"math/big"
"testing"

"github.com/aptos-labs/aptos-go-sdk"
"github.com/stretchr/testify/require"

cldf_chain "github.com/smartcontractkit/chainlink-deployments-framework/chain"
cldf_aptos "github.com/smartcontractkit/chainlink-deployments-framework/chain/aptos"
cldf_datastore "github.com/smartcontractkit/chainlink-deployments-framework/datastore"
cldf "github.com/smartcontractkit/chainlink-deployments-framework/deployment"
cldf_ops "github.com/smartcontractkit/chainlink-deployments-framework/operations"
"github.com/smartcontractkit/chainlink-deployments-framework/pkg/logger"

"github.com/smartcontractkit/chainlink-ccip/deployment/fees"

module_onramp "github.com/smartcontractkit/chainlink-aptos/bindings/ccip_onramp/onramp"
aptosccip "github.com/smartcontractkit/chainlink-aptos/deployment/ccip"
"github.com/smartcontractkit/chainlink-aptos/deployment/ccip/shared"
)

const testCCIPAddress = "0x20f808de3375db34d17cc946ec6b43fc26962f6afa125182dc903359756caf6b"

func mustAddr(t *testing.T, s string) aptos.AccountAddress {
t.Helper()
var a aptos.AccountAddress
require.NoError(t, a.ParseStringRelaxed(s))
return a
}

// stubReader replaces the on-chain dynamic-config read for the duration of a test.
func stubReader(dc module_onramp.DynamicConfig, err error) func() {
prev := onrampDynamicConfigReader
onrampDynamicConfigReader = func(_ aptos.AccountAddress, _ aptos.AptosRpcClient) (module_onramp.DynamicConfig, error) {
return dc, err
}
return func() { onrampDynamicConfigReader = prev }
}

func adapterEnv(t *testing.T, selector uint64) cldf.Environment {
t.Helper()
ds := cldf_datastore.NewMemoryDataStore()
require.NoError(t, ds.Addresses().Add(cldf_datastore.AddressRef{
ChainSelector: selector,
Address: testCCIPAddress,
Type: cldf_datastore.ContractType(shared.AptosCCIPType),
Version: &aptosccip.Version1_6_0,
}))
chain := cldf_aptos.Chain{Selector: selector}
return cldf.Environment{
DataStore: ds.Seal(),
BlockChains: cldf_chain.NewBlockChainsFromSlice([]cldf_chain.BlockChain{chain}),
}
}

func newBundle() cldf_ops.Bundle {
return cldf_ops.NewBundle(context.Background, logger.Nop(), cldf_ops.NewMemoryReporter())
}

func TestGetFeeAggregator(t *testing.T) {
feeAgg := mustAddr(t, "0xfee")
defer stubReader(module_onramp.DynamicConfig{FeeAggregator: feeAgg, AllowlistAdmin: mustAddr(t, "0xdead")}, nil)()

got, err := (&FeeAggregatorAdapter{}).GetFeeAggregator(adapterEnv(t, 1), 1)
require.NoError(t, err)
require.Equal(t, feeAgg.StringLong(), got)
}

func TestSetFeeAggregatorPreservesAllowlistAdmin(t *testing.T) {
admin := mustAddr(t, "0xdead")
defer stubReader(module_onramp.DynamicConfig{FeeAggregator: mustAddr(t, "0x01d"), AllowlistAdmin: admin}, nil)()

env := adapterEnv(t, 1)
newFeeAgg := mustAddr(t, "0xfee")
seq := (&FeeAggregatorAdapter{}).SetFeeAggregator(env)
report, err := cldf_ops.ExecuteSequence(newBundle(), seq, env.BlockChains, fees.FeeAggregatorForChain{
ChainSelector: 1,
FeeAggregator: newFeeAgg.StringLong(),
})
require.NoError(t, err)
require.Len(t, report.Output.BatchOps, 1)
require.Len(t, report.Output.BatchOps[0].Transactions, 1)

// Data = BCS(newFeeAggregator) ++ BCS(preserved allowlistAdmin).
data := report.Output.BatchOps[0].Transactions[0].Data
require.Len(t, data, 64)
require.Equal(t, newFeeAgg[:], data[:32])
require.Equal(t, admin[:], data[32:64])
}

func TestSetFeeAggregatorRejectsZeroAddress(t *testing.T) {
defer stubReader(module_onramp.DynamicConfig{FeeAggregator: mustAddr(t, "0x01d"), AllowlistAdmin: mustAddr(t, "0xdead")}, nil)()

env := adapterEnv(t, 1)
seq := (&FeeAggregatorAdapter{}).SetFeeAggregator(env)
_, err := cldf_ops.ExecuteSequence(newBundle(), seq, env.BlockChains, fees.FeeAggregatorForChain{
ChainSelector: 1,
FeeAggregator: "0x0", // zero address
})
require.Error(t, err)
require.Contains(t, err.Error(), "must not be zero")
}

func TestWithdrawFeeTokensErrorsWhenAggregatorUnset(t *testing.T) {
defer stubReader(module_onramp.DynamicConfig{}, nil)() // zero fee aggregator

env := adapterEnv(t, 1)
token := mustAddr(t, "0xa1")
seq := (&FeeAggregatorAdapter{}).WithdrawFeeTokens(env)
_, err := cldf_ops.ExecuteSequence(newBundle(), seq, env.BlockChains, fees.WithdrawFeeTokensForChain{
ChainSelector: 1,
FeeTokens: []fees.FeeTokenWithdrawal{{Token: token.StringLong()}},
})
require.Error(t, err)
require.Contains(t, err.Error(), "fee aggregator is not set")
}

func TestWithdrawFeeTokensIgnoresAmountAndSweepsAll(t *testing.T) {
defer stubReader(module_onramp.DynamicConfig{FeeAggregator: mustAddr(t, "0xfee")}, nil)()

env := adapterEnv(t, 1)
t1 := mustAddr(t, "0xa1")
t2 := mustAddr(t, "0xb2")
seq := (&FeeAggregatorAdapter{}).WithdrawFeeTokens(env)
report, err := cldf_ops.ExecuteSequence(newBundle(), seq, env.BlockChains, fees.WithdrawFeeTokensForChain{
ChainSelector: 1,
FeeTokens: []fees.FeeTokenWithdrawal{
{Token: t1.StringLong(), Amount: big.NewInt(5)}, // amount must be ignored
{Token: t2.StringLong()},
},
})
require.NoError(t, err)
require.Len(t, report.Output.BatchOps, 1)
require.Len(t, report.Output.BatchOps[0].Transactions, 1)

// Data = BCS(vector<address>{t1, t2}): length 2 ++ two 32-byte addresses.
data := report.Output.BatchOps[0].Transactions[0].Data
require.Len(t, data, 1+64)
require.Equal(t, byte(2), data[0])
require.Equal(t, t1[:], data[1:33])
require.Equal(t, t2[:], data[33:65])
}
3 changes: 3 additions & 0 deletions deployment/ccip/adapters/init.go
Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,7 @@ import (

"github.com/smartcontractkit/chainlink-ccip/deployment/deploy"
"github.com/smartcontractkit/chainlink-ccip/deployment/fastcurse"
"github.com/smartcontractkit/chainlink-ccip/deployment/fees"
"github.com/smartcontractkit/chainlink-ccip/deployment/lanes"
"github.com/smartcontractkit/chainlink-ccip/deployment/utils/changesets"

Expand All @@ -27,4 +28,6 @@ func init() {

deploy.GetRegistry().RegisterDeployer(chainsel.FamilyAptos, v, &AptosAdapter{})
lanes.GetLaneAdapterRegistry().RegisterLaneAdapter(chainsel.FamilyAptos, v, &AptosLaneAdapter{})

fees.GetFeeAggregatorRegistry().RegisterFeeAggregatorAdapter(chainsel.FamilyAptos, v, &FeeAggregatorAdapter{})
}
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