[issue-#1389] add multisig tx support (#1390)
* [issue-#1389] add multisig tx support * [issue-#1389] add changes in CHANGELOG improvements * [issue-#1389] fix style issue * [issue-#1389] fix style issue * [issue-#1389] add tests
This commit is contained in:
Tomas Guerra
GitHub
parent
83e509bc57
commit
3ab761b8c4
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@ -63,6 +63,7 @@ Ref: https://keepachangelog.com/en/1.0.0/
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* (rpc) [#1352](https://github.com/evmos/ethermint/pull/1352) Make the grpc queries run concurrently, don't block the consensus state machine.
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* (cli) [#1360](https://github.com/evmos/ethermint/pull/1360) Introduce a new `grpc-only` flag, such that when enabled, will start the node in a query-only mode. Note, gRPC MUST be enabled with this flag.
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* (rpc) [#1378](https://github.com/evmos/ethermint/pull/1378) Add support for EVM RPC metrics
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* (ante) [#1390](https://github.com/evmos/ethermint/pull/1390) Added multisig tx support.
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### Bug Fixes
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@ -6,6 +6,7 @@ import (
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tmlog "github.com/tendermint/tendermint/libs/log"
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"github.com/cosmos/cosmos-sdk/crypto/types/multisig"
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sdk "github.com/cosmos/cosmos-sdk/types"
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sdkerrors "github.com/cosmos/cosmos-sdk/types/errors"
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"github.com/cosmos/cosmos-sdk/types/tx/signing"
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@ -99,12 +100,48 @@ var _ authante.SignatureVerificationGasConsumer = DefaultSigVerificationGasConsu
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func DefaultSigVerificationGasConsumer(
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meter sdk.GasMeter, sig signing.SignatureV2, params authtypes.Params,
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) error {
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// support for ethereum ECDSA secp256k1 keys
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_, ok := sig.PubKey.(*ethsecp256k1.PubKey)
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if ok {
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pubkey := sig.PubKey
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switch pubkey := pubkey.(type) {
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case *ethsecp256k1.PubKey:
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meter.ConsumeGas(secp256k1VerifyCost, "ante verify: eth_secp256k1")
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return nil
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case multisig.PubKey:
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// Multisig keys
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multisignature, ok := sig.Data.(*signing.MultiSignatureData)
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if !ok {
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return fmt.Errorf("expected %T, got, %T", &signing.MultiSignatureData{}, sig.Data)
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}
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return ConsumeMultisignatureVerificationGas(meter, multisignature, pubkey, params, sig.Sequence)
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default:
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return authante.DefaultSigVerificationGasConsumer(meter, sig, params)
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}
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}
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// ConsumeMultisignatureVerificationGas consumes gas from a GasMeter for verifying a multisig pubkey signature
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func ConsumeMultisignatureVerificationGas(
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meter sdk.GasMeter, sig *signing.MultiSignatureData, pubkey multisig.PubKey,
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params authtypes.Params, accSeq uint64,
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) error {
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size := sig.BitArray.Count()
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sigIndex := 0
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for i := 0; i < size; i++ {
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if !sig.BitArray.GetIndex(i) {
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continue
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}
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sigV2 := signing.SignatureV2{
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PubKey: pubkey.GetPubKeys()[i],
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Data: sig.Signatures[sigIndex],
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Sequence: accSeq,
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}
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err := DefaultSigVerificationGasConsumer(meter, sigV2, params)
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if err != nil {
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return err
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}
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sigIndex++
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}
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return authante.DefaultSigVerificationGasConsumer(meter, sig, params)
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return nil
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}
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@ -2,13 +2,22 @@ package ante_test
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import (
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"errors"
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"fmt"
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"math/big"
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"strings"
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"time"
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sdkmath "cosmossdk.io/math"
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kmultisig "github.com/cosmos/cosmos-sdk/crypto/keys/multisig"
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"github.com/cosmos/cosmos-sdk/crypto/keys/ed25519"
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"github.com/cosmos/cosmos-sdk/crypto/keys/secp256r1"
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cryptotypes "github.com/cosmos/cosmos-sdk/crypto/types"
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"github.com/cosmos/cosmos-sdk/crypto/types/multisig"
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"github.com/cosmos/cosmos-sdk/simapp"
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"github.com/cosmos/cosmos-sdk/types/tx/signing"
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"github.com/cosmos/cosmos-sdk/x/auth/migrations/legacytx"
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authtypes "github.com/cosmos/cosmos-sdk/x/auth/types"
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"github.com/cosmos/cosmos-sdk/x/authz"
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@ -16,6 +25,8 @@ import (
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"github.com/ethereum/go-ethereum/core/types"
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ethparams "github.com/ethereum/go-ethereum/params"
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"github.com/evmos/ethermint/app/ante"
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"github.com/evmos/ethermint/crypto/ethsecp256k1"
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"github.com/evmos/ethermint/tests"
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evmtypes "github.com/evmos/ethermint/x/evm/types"
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@ -914,3 +925,93 @@ func (suite AnteTestSuite) TestAnteHandlerWithParams() {
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}
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suite.evmParamsOption = nil
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}
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func (suite *AnteTestSuite) TestConsumeSignatureVerificationGas() {
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params := authtypes.DefaultParams()
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msg := []byte{1, 2, 3, 4}
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cdc := simapp.MakeTestEncodingConfig().Amino
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p := authtypes.DefaultParams()
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skR1, _ := secp256r1.GenPrivKey()
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pkSet1, sigSet1, err := generatePubKeysAndSignatures(5, msg, false)
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suite.Require().NoError(err)
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multisigKey1 := kmultisig.NewLegacyAminoPubKey(2, pkSet1)
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multisignature1 := multisig.NewMultisig(len(pkSet1))
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expectedCost1 := expectedGasCostByKeys(pkSet1)
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for i := 0; i < len(pkSet1); i++ {
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stdSig := legacytx.StdSignature{PubKey: pkSet1[i], Signature: sigSet1[i]}
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sigV2, err := legacytx.StdSignatureToSignatureV2(cdc, stdSig)
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suite.Require().NoError(err)
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err = multisig.AddSignatureV2(multisignature1, sigV2, pkSet1)
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suite.Require().NoError(err)
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}
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type args struct {
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meter sdk.GasMeter
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sig signing.SignatureData
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pubkey cryptotypes.PubKey
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params authtypes.Params
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}
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tests := []struct {
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name string
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args args
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gasConsumed uint64
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shouldErr bool
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}{
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{"PubKeyEd25519", args{sdk.NewInfiniteGasMeter(), nil, ed25519.GenPrivKey().PubKey(), params}, p.SigVerifyCostED25519, true},
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{"PubKeyEthSecp256k1", args{sdk.NewInfiniteGasMeter(), nil, pkSet1[0], params}, 21_000, false},
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{"PubKeySecp256r1", args{sdk.NewInfiniteGasMeter(), nil, skR1.PubKey(), params}, p.SigVerifyCostSecp256r1(), false},
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{"Multisig", args{sdk.NewInfiniteGasMeter(), multisignature1, multisigKey1, params}, expectedCost1, false},
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{"unknown key", args{sdk.NewInfiniteGasMeter(), nil, nil, params}, 0, true},
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}
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for _, tt := range tests {
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sigV2 := signing.SignatureV2{
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PubKey: tt.args.pubkey,
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Data: tt.args.sig,
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Sequence: 0, // Arbitrary account sequence
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}
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err := ante.DefaultSigVerificationGasConsumer(tt.args.meter, sigV2, tt.args.params)
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if tt.shouldErr {
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suite.Require().NotNil(err)
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} else {
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suite.Require().Nil(err)
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suite.Require().Equal(tt.gasConsumed, tt.args.meter.GasConsumed(), fmt.Sprintf("%d != %d", tt.gasConsumed, tt.args.meter.GasConsumed()))
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}
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}
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}
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func generatePubKeysAndSignatures(n int, msg []byte, _ bool) (pubkeys []cryptotypes.PubKey, signatures [][]byte, err error) {
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pubkeys = make([]cryptotypes.PubKey, n)
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signatures = make([][]byte, n)
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for i := 0; i < n; i++ {
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privkey, err := ethsecp256k1.GenerateKey()
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if err != nil {
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return nil, nil, err
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}
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pubkeys[i] = privkey.PubKey()
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signatures[i], _ = privkey.Sign(msg)
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}
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return
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}
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func expectedGasCostByKeys(pubkeys []cryptotypes.PubKey) uint64 {
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cost := uint64(0)
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for _, pubkey := range pubkeys {
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pubkeyType := strings.ToLower(fmt.Sprintf("%T", pubkey))
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switch {
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case strings.Contains(pubkeyType, "ed25519"):
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cost += authtypes.DefaultParams().SigVerifyCostED25519
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case strings.Contains(pubkeyType, "ethsecp256k1"):
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cost += 21_000
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case strings.Contains(pubkeyType, "secp256k1"):
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cost += authtypes.DefaultParams().SigVerifyCostSecp256k1
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default:
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panic("unexpected key type")
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}
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}
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return cost
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}
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