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chore(crypto): update btcec to v2 #13513

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merged 3 commits into from
Oct 17, 2022
Merged

chore(crypto): update btcec to v2 #13513

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bc9101f
chore(crypto): update btcec to v2
elias-orijtech Oct 11, 2022
bfc6d69
Merge branch 'main' into main
tac0turtle Oct 17, 2022
97330c8
Merge branch 'main' into main
tac0turtle Oct 17, 2022
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4 changes: 2 additions & 2 deletions crypto/hd/hdpath.go
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Original file line number Diff line number Diff line change
Expand Up @@ -10,7 +10,7 @@ import (
"strconv"
"strings"

"github.com/btcsuite/btcd/btcec"
"github.com/btcsuite/btcd/btcec/v2"
)

// NewParams creates a BIP 44 parameter object from the params:
Expand Down Expand Up @@ -225,7 +225,7 @@ func derivePrivateKey(privKeyBytes [32]byte, chainCode [32]byte, index uint32, h
data = append([]byte{byte(0)}, privKeyBytes[:]...)
} else {
// this can't return an error:
_, ecPub := btcec.PrivKeyFromBytes(btcec.S256(), privKeyBytes[:])
_, ecPub := btcec.PrivKeyFromBytes(privKeyBytes[:])
pubkeyBytes := ecPub.SerializeCompressed()
data = pubkeyBytes

Expand Down
4 changes: 2 additions & 2 deletions crypto/keys/secp256k1/secp256k1.go
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Original file line number Diff line number Diff line change
Expand Up @@ -8,7 +8,7 @@ import (
"io"
"math/big"

secp256k1 "github.com/btcsuite/btcd/btcec"
secp256k1 "github.com/btcsuite/btcd/btcec/v2"
"github.com/tendermint/tendermint/crypto"
"golang.org/x/crypto/ripemd160" //nolint: staticcheck

Expand Down Expand Up @@ -37,7 +37,7 @@ func (privKey *PrivKey) Bytes() []byte {
// PubKey performs the point-scalar multiplication from the privKey on the
// generator point to get the pubkey.
func (privKey *PrivKey) PubKey() cryptotypes.PubKey {
_, pubkeyObject := secp256k1.PrivKeyFromBytes(secp256k1.S256(), privKey.Key)
_, pubkeyObject := secp256k1.PrivKeyFromBytes(privKey.Key)
pk := pubkeyObject.SerializeCompressed()
return &PubKey{Key: pk}
}
Expand Down
2 changes: 1 addition & 1 deletion crypto/keys/secp256k1/secp256k1_internal_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -5,7 +5,7 @@ import (
"math/big"
"testing"

btcSecp256k1 "github.com/btcsuite/btcd/btcec"
btcSecp256k1 "github.com/btcsuite/btcd/btcec/v2"
"github.com/stretchr/testify/require"
)

Expand Down
52 changes: 20 additions & 32 deletions crypto/keys/secp256k1/secp256k1_nocgo.go
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Original file line number Diff line number Diff line change
Expand Up @@ -4,29 +4,22 @@
package secp256k1

import (
"math/big"

secp256k1 "github.com/btcsuite/btcd/btcec"
secp256k1 "github.com/btcsuite/btcd/btcec/v2"
"github.com/btcsuite/btcd/btcec/v2/ecdsa"

"github.com/tendermint/tendermint/crypto"
)

// used to reject malleable signatures
// see:
// - https://github.com/ethereum/go-ethereum/blob/f9401ae011ddf7f8d2d95020b7446c17f8d98dc1/crypto/signature_nocgo.go#L90-L93
// - https://github.com/ethereum/go-ethereum/blob/f9401ae011ddf7f8d2d95020b7446c17f8d98dc1/crypto/crypto.go#L39
var secp256k1halfN = new(big.Int).Rsh(secp256k1.S256().N, 1)

// Sign creates an ECDSA signature on curve Secp256k1, using SHA256 on the msg.
// The returned signature will be of the form R || S (in lower-S form).
func (privKey *PrivKey) Sign(msg []byte) ([]byte, error) {
priv, _ := secp256k1.PrivKeyFromBytes(secp256k1.S256(), privKey.Key)
sig, err := priv.Sign(crypto.Sha256(msg))
priv, _ := secp256k1.PrivKeyFromBytes(privKey.Key)
sig, err := ecdsa.SignCompact(priv, crypto.Sha256(msg), false)
if err != nil {
return nil, err
}
sigBytes := serializeSig(sig)
return sigBytes, nil
// remove the first byte which is compactSigRecoveryCode
return sig[1:], nil
}

// VerifyBytes verifies a signature of the form R || S.
Expand All @@ -35,37 +28,32 @@ func (pubKey *PubKey) VerifySignature(msg []byte, sigStr []byte) bool {
if len(sigStr) != 64 {
return false
}
pub, err := secp256k1.ParsePubKey(pubKey.Key, secp256k1.S256())
pub, err := secp256k1.ParsePubKey(pubKey.Key)
if err != nil {
return false
}
// parse the signature:
signature := signatureFromBytes(sigStr)
// Reject malleable signatures. libsecp256k1 does this check but btcec doesn't.
// see: https://github.com/ethereum/go-ethereum/blob/f9401ae011ddf7f8d2d95020b7446c17f8d98dc1/crypto/signature_nocgo.go#L90-L93
if signature.S.Cmp(secp256k1halfN) > 0 {
// Serialize() would negate S value if it is over half order.
// Hence, if the signature is different after Serialize() if should be rejected.
modifiedSignature, parseErr := ecdsa.ParseDERSignature(signature.Serialize())
if parseErr != nil {
return false
}
if !signature.IsEqual(modifiedSignature) {
return false
}
return signature.Verify(crypto.Sha256(msg), pub)
}

// Read Signature struct from R || S. Caller needs to ensure
// that len(sigStr) == 64.
func signatureFromBytes(sigStr []byte) *secp256k1.Signature {
return &secp256k1.Signature{
R: new(big.Int).SetBytes(sigStr[:32]),
S: new(big.Int).SetBytes(sigStr[32:64]),
}
}

// Serialize signature to R || S.
// R, S are padded to 32 bytes respectively.
func serializeSig(sig *secp256k1.Signature) []byte {
rBytes := sig.R.Bytes()
sBytes := sig.S.Bytes()
sigBytes := make([]byte, 64)
// 0 pad the byte arrays from the left if they aren't big enough.
copy(sigBytes[32-len(rBytes):32], rBytes)
copy(sigBytes[64-len(sBytes):64], sBytes)
return sigBytes
func signatureFromBytes(sigStr []byte) *ecdsa.Signature {
var r secp256k1.ModNScalar
r.SetByteSlice(sigStr[:32])
var s secp256k1.ModNScalar
s.SetByteSlice(sigStr[32:64])
return ecdsa.NewSignature(&r, &s)
}
23 changes: 16 additions & 7 deletions crypto/keys/secp256k1/secp256k1_nocgo_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -6,7 +6,7 @@ package secp256k1
import (
"testing"

secp256k1 "github.com/btcsuite/btcd/btcec"
secp256k1 "github.com/btcsuite/btcd/btcec/v2"
"github.com/stretchr/testify/require"
)

Expand All @@ -19,20 +19,29 @@ func TestSignatureVerificationAndRejectUpperS(t *testing.T) {
priv := GenPrivKey()
sigStr, err := priv.Sign(msg)
require.NoError(t, err)
sig := signatureFromBytes(sigStr)
require.False(t, sig.S.Cmp(secp256k1halfN) > 0)
var r secp256k1.ModNScalar
r.SetByteSlice(sigStr[:32])
var s secp256k1.ModNScalar
s.SetByteSlice(sigStr[32:64])
require.False(t, s.IsOverHalfOrder())

pub := priv.PubKey()
require.True(t, pub.VerifySignature(msg, sigStr))

// malleate:
sig.S.Sub(secp256k1.S256().CurveParams.N, sig.S)
require.True(t, sig.S.Cmp(secp256k1halfN) > 0)
malSigStr := serializeSig(sig)
var S256 secp256k1.ModNScalar
S256.SetByteSlice(secp256k1.S256().N.Bytes())
s.Negate().Add(&S256)
require.True(t, s.IsOverHalfOrder())

rBytes := r.Bytes()
sBytes := s.Bytes()
malSigStr := make([]byte, 64)
copy(malSigStr[32-len(rBytes):32], rBytes[:])
copy(malSigStr[64-len(sBytes):64], sBytes[:])
require.False(t, pub.VerifySignature(msg, malSigStr),
"VerifyBytes incorrect with malleated & invalid S. sig=%v, key=%v",
sig,
malSigStr,
priv,
)
}
Expand Down
13 changes: 8 additions & 5 deletions crypto/keys/secp256k1/secp256k1_test.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,8 @@ import (
"math/big"
"testing"

btcSecp256k1 "github.com/btcsuite/btcd/btcec"
btcSecp256k1 "github.com/btcsuite/btcd/btcec/v2"
btcecdsa "github.com/btcsuite/btcd/btcec/v2/ecdsa"
"github.com/cosmos/btcutil/base58"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
Expand Down Expand Up @@ -64,7 +65,7 @@ func TestSignAndValidateSecp256k1(t *testing.T) {
// ----
// Test cross packages verification
msgHash := crypto.Sha256(msg)
btcPrivKey, btcPubKey := btcSecp256k1.PrivKeyFromBytes(btcSecp256k1.S256(), privKey.Key)
btcPrivKey, btcPubKey := btcSecp256k1.PrivKeyFromBytes(privKey.Key)
// This fails: malformed signature: no header magic
// btcSig, err := secp256k1.ParseSignature(sig, secp256k1.S256())
// require.NoError(t, err)
Expand All @@ -77,9 +78,11 @@ func TestSignAndValidateSecp256k1(t *testing.T) {
ok := ecdsa.Verify(btcPubKey.ToECDSA(), msgHash, r, s)
require.True(t, ok)

sig2, err := btcPrivKey.Sign(msgHash)
sig2, err := btcecdsa.SignCompact(btcPrivKey, msgHash, false)
// Chop off compactSigRecoveryCode.
sig2 = sig2[1:]
require.NoError(t, err)
pubKey.VerifySignature(msg, sig2.Serialize())
pubKey.VerifySignature(msg, sig2)

// ----
// Mutate the signature, just one bit.
Expand All @@ -98,7 +101,7 @@ func TestSecp256k1LoadPrivkeyAndSerializeIsIdentity(t *testing.T) {

// This function creates a private and public key in the underlying libraries format.
// The private key is basically calling new(big.Int).SetBytes(pk), which removes leading zero bytes
priv, _ := btcSecp256k1.PrivKeyFromBytes(btcSecp256k1.S256(), privKeyBytes[:])
priv, _ := btcSecp256k1.PrivKeyFromBytes(privKeyBytes[:])
// this takes the bytes returned by `(big int).Bytes()`, and if the length is less than 32 bytes,
// pads the bytes from the left with zero bytes. Therefore these two functions composed
// result in the identity function on privKeyBytes, hence the following equality check
Expand Down
2 changes: 2 additions & 0 deletions go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -12,6 +12,7 @@ require (
github.com/armon/go-metrics v0.4.1
github.com/bgentry/speakeasy v0.1.0
github.com/btcsuite/btcd v0.22.2
github.com/btcsuite/btcd/btcec/v2 v2.2.1
github.com/chzyer/readline v0.0.0-20180603132655-2972be24d48e
github.com/cockroachdb/apd/v2 v2.0.2
github.com/coinbase/rosetta-sdk-go v0.8.1
Expand Down Expand Up @@ -81,6 +82,7 @@ require (
github.com/creachadair/taskgroup v0.3.2 // indirect
github.com/danieljoos/wincred v1.1.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
github.com/dgraph-io/badger/v2 v2.2007.4 // indirect
github.com/dgraph-io/ristretto v0.1.0 // indirect
Expand Down
6 changes: 6 additions & 0 deletions go.sum
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Expand Up @@ -124,6 +124,8 @@ github.com/btcsuite/btcd v0.0.0-20190115013929-ed77733ec07d/go.mod h1:d3C0AkH6BR
github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
github.com/btcsuite/btcd v0.22.2 h1:vBZ+lGGd1XubpOWO67ITJpAEsICWhA0YzqkcpkgNBfo=
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In the meantime we've bumped this to v0.22.2. Shouldn't we keep this version instead of reverting to v0.22.1

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Good catch. Done.

github.com/btcsuite/btcd v0.22.2/go.mod h1:wqgTSL29+50LRkmOVknEdmt8ZojIzhuWvgu/iptuN7Y=
github.com/btcsuite/btcd/btcec/v2 v2.2.1 h1:xP60mv8fvp+0khmrN0zTdPC3cNm24rfeE6lh2R/Yv3E=
github.com/btcsuite/btcd/btcec/v2 v2.2.1/go.mod h1:9/CSmJxmuvqzX9Wh2fXMWToLOHhPd11lSPuIupwTkI8=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
github.com/btcsuite/btcutil v0.0.0-20180706230648-ab6388e0c60a/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
Expand Down Expand Up @@ -220,6 +222,10 @@ github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0=
github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f h1:U5y3Y5UE0w7amNe7Z5G/twsBW0KEalRQXZzf8ufSh9I=
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f/go.mod h1:xH/i4TFMt8koVQZ6WFms69WAsDWr2XsYL3Hkl7jkoLE=
github.com/dgraph-io/badger/v2 v2.2007.4 h1:TRWBQg8UrlUhaFdco01nO2uXwzKS7zd+HVdwV/GHc4o=
Expand Down
4 changes: 2 additions & 2 deletions server/rosetta/converter.go
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Original file line number Diff line number Diff line change
Expand Up @@ -7,7 +7,7 @@ import (
"reflect"

"cosmossdk.io/math"
"github.com/btcsuite/btcd/btcec"
"github.com/btcsuite/btcd/btcec/v2"
rosettatypes "github.com/coinbase/rosetta-sdk-go/types"
abci "github.com/tendermint/tendermint/abci/types"
"github.com/tendermint/tendermint/crypto"
Expand Down Expand Up @@ -649,7 +649,7 @@ func (c converter) PubKey(pubKey *rosettatypes.PublicKey) (cryptotypes.PubKey, e
return nil, crgerrs.WrapError(crgerrs.ErrUnsupportedCurve, "only secp256k1 supported")
}

cmp, err := btcec.ParsePubKey(pubKey.Bytes, btcec.S256())
cmp, err := btcec.ParsePubKey(pubKey.Bytes)
if err != nil {
return nil, crgerrs.WrapError(crgerrs.ErrBadArgument, err.Error())
}
Expand Down
2 changes: 2 additions & 0 deletions simapp/go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -34,6 +34,7 @@ require (
github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
github.com/bgentry/speakeasy v0.1.0 // indirect
github.com/btcsuite/btcd v0.22.2 // indirect
github.com/btcsuite/btcd/btcec/v2 v2.2.1 // indirect
github.com/cenkalti/backoff/v4 v4.1.3 // indirect
github.com/cespare/xxhash v1.1.0 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
Expand All @@ -52,6 +53,7 @@ require (
github.com/creachadair/taskgroup v0.3.2 // indirect
github.com/danieljoos/wincred v1.1.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
github.com/dgraph-io/badger/v2 v2.2007.4 // indirect
github.com/dgraph-io/ristretto v0.1.0 // indirect
Expand Down
6 changes: 6 additions & 0 deletions simapp/go.sum
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -124,6 +124,8 @@ github.com/btcsuite/btcd v0.0.0-20190115013929-ed77733ec07d/go.mod h1:d3C0AkH6BR
github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
github.com/btcsuite/btcd v0.22.2 h1:vBZ+lGGd1XubpOWO67ITJpAEsICWhA0YzqkcpkgNBfo=
github.com/btcsuite/btcd v0.22.2/go.mod h1:wqgTSL29+50LRkmOVknEdmt8ZojIzhuWvgu/iptuN7Y=
github.com/btcsuite/btcd/btcec/v2 v2.2.1 h1:xP60mv8fvp+0khmrN0zTdPC3cNm24rfeE6lh2R/Yv3E=
github.com/btcsuite/btcd/btcec/v2 v2.2.1/go.mod h1:9/CSmJxmuvqzX9Wh2fXMWToLOHhPd11lSPuIupwTkI8=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
github.com/btcsuite/btcutil v0.0.0-20180706230648-ab6388e0c60a/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
Expand Down Expand Up @@ -216,6 +218,10 @@ github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0=
github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f h1:U5y3Y5UE0w7amNe7Z5G/twsBW0KEalRQXZzf8ufSh9I=
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f/go.mod h1:xH/i4TFMt8koVQZ6WFms69WAsDWr2XsYL3Hkl7jkoLE=
github.com/dgraph-io/badger/v2 v2.2007.4 h1:TRWBQg8UrlUhaFdco01nO2uXwzKS7zd+HVdwV/GHc4o=
Expand Down
2 changes: 2 additions & 0 deletions tests/go.mod
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Original file line number Diff line number Diff line change
Expand Up @@ -35,6 +35,7 @@ require (
github.com/bgentry/go-netrc v0.0.0-20140422174119-9fd32a8b3d3d // indirect
github.com/bgentry/speakeasy v0.1.0 // indirect
github.com/btcsuite/btcd v0.22.2 // indirect
github.com/btcsuite/btcd/btcec/v2 v2.2.1 // indirect
github.com/cenkalti/backoff/v4 v4.1.3 // indirect
github.com/cespare/xxhash v1.1.0 // indirect
github.com/cespare/xxhash/v2 v2.1.2 // indirect
Expand All @@ -52,6 +53,7 @@ require (
github.com/creachadair/taskgroup v0.3.2 // indirect
github.com/danieljoos/wincred v1.1.2 // indirect
github.com/davecgh/go-spew v1.1.1 // indirect
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 // indirect
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f // indirect
github.com/dgraph-io/badger/v2 v2.2007.4 // indirect
github.com/dgraph-io/ristretto v0.1.0 // indirect
Expand Down
6 changes: 6 additions & 0 deletions tests/go.sum
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Expand Up @@ -124,6 +124,8 @@ github.com/btcsuite/btcd v0.0.0-20190115013929-ed77733ec07d/go.mod h1:d3C0AkH6BR
github.com/btcsuite/btcd v0.20.1-beta/go.mod h1:wVuoA8VJLEcwgqHBwHmzLRazpKxTv13Px/pDuV7OomQ=
github.com/btcsuite/btcd v0.22.2 h1:vBZ+lGGd1XubpOWO67ITJpAEsICWhA0YzqkcpkgNBfo=
github.com/btcsuite/btcd v0.22.2/go.mod h1:wqgTSL29+50LRkmOVknEdmt8ZojIzhuWvgu/iptuN7Y=
github.com/btcsuite/btcd/btcec/v2 v2.2.1 h1:xP60mv8fvp+0khmrN0zTdPC3cNm24rfeE6lh2R/Yv3E=
github.com/btcsuite/btcd/btcec/v2 v2.2.1/go.mod h1:9/CSmJxmuvqzX9Wh2fXMWToLOHhPd11lSPuIupwTkI8=
github.com/btcsuite/btcd/chaincfg/chainhash v1.0.1 h1:q0rUy8C/TYNBQS1+CGKw68tLOFYSNEs0TFnxxnS9+4U=
github.com/btcsuite/btclog v0.0.0-20170628155309-84c8d2346e9f/go.mod h1:TdznJufoqS23FtqVCzL0ZqgP5MqXbb4fg/WgDys70nA=
github.com/btcsuite/btcutil v0.0.0-20180706230648-ab6388e0c60a/go.mod h1:+5NJ2+qvTyV9exUAL/rxXi3DcLg2Ts+ymUAY5y4NvMg=
Expand Down Expand Up @@ -216,6 +218,10 @@ github.com/davecgh/go-spew v0.0.0-20171005155431-ecdeabc65495/go.mod h1:J7Y8YcW2
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
github.com/decred/dcrd/crypto/blake256 v1.0.0 h1:/8DMNYp9SGi5f0w7uCm6d6M4OU2rGFK09Y2A4Xv7EE0=
github.com/decred/dcrd/crypto/blake256 v1.0.0/go.mod h1:sQl2p6Y26YV+ZOcSTP6thNdn47hh8kt6rqSlvmrXFAc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1 h1:YLtO71vCjJRCBcrPMtQ9nqBsqpA1m5sE92cU+pd5Mcc=
github.com/decred/dcrd/dcrec/secp256k1/v4 v4.0.1/go.mod h1:hyedUtir6IdtD/7lIxGeCxkaw7y45JueMRL4DIyJDKs=
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f h1:U5y3Y5UE0w7amNe7Z5G/twsBW0KEalRQXZzf8ufSh9I=
github.com/desertbit/timer v0.0.0-20180107155436-c41aec40b27f/go.mod h1:xH/i4TFMt8koVQZ6WFms69WAsDWr2XsYL3Hkl7jkoLE=
github.com/dgraph-io/badger/v2 v2.2007.4 h1:TRWBQg8UrlUhaFdco01nO2uXwzKS7zd+HVdwV/GHc4o=
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