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Introduce Liquid network parameters (#64)

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Up to know we just use the Bitcoin mainnet parameters
`chaincfg.MainNetParams` for Liquid. That's okay, because we use them
for creating and verifying extended private and public keys. Those only
depend on `HDPrivateKeyID` and `HDPublicKeyID`, which are the same for
Bitcoin and Liquid networks.

The only real difference is the `HDCoinType` used for key derivation,
which we want to use in the future. So it is a good idea to introduce
this value now.

Signed-off-by: Julian Strobl <jmastr@mailbox.org>
This commit is contained in:
Julian Strobl 2023-08-11 12:05:58 +02:00 committed by GitHub
parent 1383d0aaa6
commit 3fe9c018cd
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4 changed files with 15 additions and 4 deletions
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12
config/params.go
View File

@ -4,6 +4,9 @@ import (
"github.com/btcsuite/btcd/chaincfg"
)
// LiquidNetParams defines the network parameters for the Liquid network.
var LiquidNetParams chaincfg.Params
// PlmntNetParams defines the network parameters for the Planetmint network.
var PlmntNetParams = chaincfg.Params{
Name: "planetmint",
@ -18,6 +21,15 @@ var PlmntNetParams = chaincfg.Params{
}
func init() {
// Not allowed to register LiquidNetParams, because it's just another
// Bitcoin network with different coin type.
// See https://github.com/satoshilabs/slips/blob/master/slip-0044.md
LiquidNetParams = chaincfg.MainNetParams
LiquidNetParams.Name = "liquidv1"
LiquidNetParams.HDCoinType = 1776
// Need to register PlmntNetParams, otherwise we get an "unknown hd
// private extended key bytes" error.
err := chaincfg.Register(&PlmntNetParams)
if err != nil {
panic(err)

3
testutil/keeper/asset.go
View File

@ -10,7 +10,6 @@ import (
assettestutils "planetmint-go/x/asset/testutil"
"github.com/btcsuite/btcd/chaincfg"
tmdb "github.com/cometbft/cometbft-db"
"github.com/cometbft/cometbft/libs/log"
tmproto "github.com/cometbft/cometbft/proto/tendermint/types"
@ -51,7 +50,7 @@ func AssetKeeper(t testing.TB) (*keeper.Keeper, sdk.Context) {
mk := assettestutils.NewMockMachineKeeper(ctrl)
sk, pk := sample.KeyPair()
_, ppk := sample.ExtendedKeyPair(config.PlmntNetParams)
_, lpk := sample.ExtendedKeyPair(chaincfg.MainNetParams)
_, lpk := sample.ExtendedKeyPair(config.LiquidNetParams)
id := sample.MachineIndex(pk, ppk, lpk)
mk.EXPECT().GetMachineIndex(ctx, pk).Return(id, true).AnyTimes()
mk.EXPECT().GetMachineIndex(ctx, sk).Return(id, false).AnyTimes()

2
testutil/sample/sample.go
View File

@ -50,7 +50,7 @@ func AccAddress() string {
func Machine(name, pubKey string) machinetypes.Machine {
metadata := Metadata()
_, liquidPubKey := ExtendedKeyPair(chaincfg.MainNetParams)
_, liquidPubKey := ExtendedKeyPair(config.LiquidNetParams)
_, planetmintPubKey := ExtendedKeyPair(config.PlmntNetParams)
m := machinetypes.Machine{
Name: name,

2
x/machine/keeper/msg_server_attest_machine.go
View File

@ -28,7 +28,7 @@ func (k msgServer) AttestMachine(goCtx context.Context, msg *types.MsgAttestMach
if !isValidIssuerPlanetmint {
return nil, errors.New("invalid planetmint key")
}
isValidIssuerLiquid := validateExtendedPublicKey(msg.Machine.IssuerLiquid, chaincfg.MainNetParams)
isValidIssuerLiquid := validateExtendedPublicKey(msg.Machine.IssuerLiquid, config.LiquidNetParams)
if !isValidIssuerLiquid {
return nil, errors.New("invalid liquid key")
}