rebase to latest main

.github/workflows/publish.yml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
     - 'main'
-    - 'dev'
     tags:
     - '*'
 

CONTRIBUTING.md

@@ -0,0 +1,5 @@
+# Contributing
+
+Btc-staker repository follows the same contributing rules as
+[Babylon node](https://github.com/babylonlabs-io/babylon/blob/main/CONTRIBUTING.md)
+repository.

Dockerfile

@@ -1,17 +1,13 @@
 FROM golang:1.22.3 as builder
 
 # Install cli tools for building and final image
 RUN apt-get update && apt-get install -y make git bash gcc curl jq
 
-RUN mkdir -p /root/.ssh && ssh-keyscan github.com >> /root/.ssh/known_hosts
-RUN git config --global url."[email protected]:".insteadOf "https://github.com/"
-ENV GOPRIVATE=github.com/babylonlabs-io/*
-
 # Build
 WORKDIR /go/src/github.com/babylonlabs-io/btc-staker
 # Cache dependencies
 COPY go.mod go.sum /go/src/github.com/babylonlabs-io/btc-staker/
-RUN --mount=type=secret,id=sshKey,target=/root/.ssh/id_rsa go mod download
+RUN go mod download
 
 # Copy the rest of the files
 COPY ./ /go/src/github.com/babylonlabs-io/btc-staker/
@@ -44,4 +40,4 @@
 
 ENTRYPOINT ["/bin/stakerd"]
 CMD []
-STOPSIGNAL SIGTERM
+STOPSIGNAL SIGTERM

LICENSE

@@ -8,12 +8,82 @@ License text copyright (c) 2017 MariaDB Corporation Ab, All Rights Reserved.
 
 Parameters
 
-Licensor:             Babylon Labs, Ltd.
+Licensor:             Babylon Labs Ltd.
 
 Licensed Work:        btc-staker
-                      The Licensed Work is (c) 2023 Babylon Labs, Ltd.
-
-Additional Use Grant: None.
+                      The Licensed Work is (c) 2024 Babylon Labs Ltd.
+
+Additional Use Grant:
+
+In addition to the uses permitted under the non-production license below,
+we grant you a limited, non-exclusive, non-transferable, non-sublicensable,
+revocable license, limited as set forth below, to use the Licensed Work
+in this repository for production commercial uses built on or using and integrated
+with the Babylon Protocol, not including Competing Uses.
+
+Any use beyond the scope of this license, including uses that are not built on or
+using and integrated with the Babylon Protocol, or are Competing Uses,
+will terminate this license to you, automatically and without notice.
+
+This License applies separately and solely to the specific versions of the Licensed Work
+in the specified repository on or before the date of this License, and we may require a
+different license and different provisions for each subsequent version of the
+Licensed Work released by us.
+
+"Babylon Labs", "we", "our", or "us" means Babylon Labs Ltd.
+
+"Babylon Protocol" means the Bitcoin staking protocol as further described in the documentation
+here (https://docs.babylonlabs.io/docs/introduction/babylon-overview), as updated from time to time.
+
+"Competing Use" means any use of the Licensed Work in any product, software, protocol, network,
+application, or service that is made available to any party and that
+(i) substitutes for the use of the Babylon Protocol,
+(ii) offers the same or substantially similar functionality as the Babylon Protocol or
+(iii) is built on or uses a protocol with substantially similar functionality as the Babylon Protocol
+or otherwise facilitates the staking of bitcoin other than by utilizing the Babylon Protocol.
+
+The provisions in this License apply to each individual, entity, group, or association
+(each and collectively, "you" or "your") who uses the Licensed Work for production,
+and you agree to such provisions. Your production use of the Licensed Work is conditional on your
+agreement to this License. If you do not agree and consent to be bound to this License,
+do not so use the Software.
+
+If you do not fall within the limited scope of this license as described above or below,
+or are otherwise not in strict compliance with this License, then this production license does not
+extend to you and does not grant you any production use, including any copying, distributing, or
+making any derivative use of the Licensed Work for production purposes.
+
+Limited Scope of License. Your commercial production license to the Licensed Work
+under this License does not extend to any use:
+
+1.  unless you have legal capacity to consent and agree to be bound by this License;
+2.  unless you have the technical knowledge necessary or advisable to understand and evaluate the
+    risks of using the Licensed Work and the Babylon Protocol;
+3.  if you are a resident or agent of, or an entity organized, incorporated or doing business in,
+    Afghanistan, Belarus, Bosnia and Herzegovina, Burundi, Central African Republic, Crimea, Cuba,
+    Democratic People's Republic of Korea, Democratic Republic of the Congo,
+    Donetsk or Luhansk Regions of Ukraine, Eritrea, Guinea, Guinea-Bissau, Haiti, Iran, Iraq, Lebanon,
+    Libya, Mali, Myanmar, Nicaragua, Russia, Somalia, South Sudan, Sudan, Syria, Venezuela, Yemen,
+    or Zimbabwe or any other country to which the United States, the United Kingdom,
+    the European Union or any of its member states or the United Nations or any of its member states
+    (collectively, the "Major Jurisdictions") embargoes goods or imposes sanctions
+    (such embargoed or sanctioned territories, collectively, the "Restricted Territories");
+4.  if you are, or if you directly or indirectly own or control, from any person or entity that is
+    listed on any sanctions list or equivalent maintained by any of the Major Jurisdictions
+    (collectively, "Sanctions Lists Persons");
+5.  to transact in or with any Restricted Territories or Sanctions List Persons;
+6.  if you are a U.S. Person as defined in 17 CFR § 230.902, or currently or ordinarily located or
+    resident in (or incorporated or organized in) the United States of America, Canada, or
+    Australia (collectively, "Excluded Jurisdictions"), or to transact in or with Excluded Jurisdictions;
+7.  to defraud, or otherwise materially mislead, any person;
+8.  in violation of applicable laws, rules or regulations in your relevant jurisdiction;
+9.  that circumvents any sanctions or export controls targeting you or the country or territory where
+    you are located; or
+10. in any activity that transmits, exchanges, or is otherwise supported by the direct or indirect
+    proceeds of criminal or fraudulent activity.
+
+Any production use of the Licensed Work by you confirms your agreement to the foregoing limitations,
+and your understanding and agreement that they are limitations and not restrictions.
 
 Change Date:          2027-01-20 (January 20th, 2027)
 

RELEASE_PROCESS.md

@@ -0,0 +1,5 @@
+# Release Process
+
+Btc-staker repository follows the same release process rules as
+[Babylon node](https://github.com/babylonlabs-io/babylon/blob/main/RELEASE_PROCESS.md)
+repository.

babylonclient/babyloncontroller.go

@@ -101,13 +101,18 @@ func NewBabylonController(
 }
 
 type StakingTrackerResponse struct {
-	SlashingAddress         btcutil.Address
+	SlashingPkScript        []byte
 	SlashingRate            sdkmath.LegacyDec
 	MinComissionRate        sdkmath.LegacyDec
 	CovenantPks             []*btcec.PublicKey
 	CovenantQuruomThreshold uint32
 	MinSlashingFee          btcutil.Amount
-	MinUnbodningTime        uint16
+	MinUnbondingTime        uint16
+	UnbondingFee            btcutil.Amount
+	MinStakingTime          uint16
+	MaxStakingTime          uint16
+	MinStakingValue         btcutil.Amount
+	MaxStakingValue         btcutil.Amount
 }
 
 type FinalityProviderInfo struct {
@@ -176,18 +181,23 @@ func (bc *BabylonController) Params() (*StakingParams, error) {
 
 	minUnbondingTime := sdkmath.Max[uint16](
 		uint16(bccParams.CheckpointFinalizationTimeout),
-		stakingTrackerParams.MinUnbodningTime,
+		stakingTrackerParams.MinUnbondingTime,
 	)
 
 	return &StakingParams{
 		ConfirmationTimeBlocks:    uint32(bccParams.BtcConfirmationDepth),
 		FinalizationTimeoutBlocks: uint32(bccParams.CheckpointFinalizationTimeout),
-		SlashingAddress:           stakingTrackerParams.SlashingAddress,
+		SlashingPkScript:          stakingTrackerParams.SlashingPkScript,
 		CovenantPks:               stakingTrackerParams.CovenantPks,
 		MinSlashingTxFeeSat:       stakingTrackerParams.MinSlashingFee,
 		SlashingRate:              stakingTrackerParams.SlashingRate,
 		CovenantQuruomThreshold:   stakingTrackerParams.CovenantQuruomThreshold,
 		MinUnbondingTime:          minUnbondingTime,
+		UnbondingFee:              stakingTrackerParams.UnbondingFee,
+		MinStakingTime:            stakingTrackerParams.MinStakingTime,
+		MaxStakingTime:            stakingTrackerParams.MaxStakingTime,
+		MinStakingValue:           stakingTrackerParams.MinStakingValue,
+		MaxStakingValue:           stakingTrackerParams.MaxStakingValue,
 	}, nil
 }
 
@@ -447,11 +457,6 @@ func (bc *BabylonController) QueryStakingTracker() (*StakingTrackerResponse, err
 		return nil, err
 	}
 
-	slashingAddress, err := btcutil.DecodeAddress(response.Params.SlashingAddress, bc.btcParams)
-	if err != nil {
-		return nil, err
-	}
-
 	// check this early than covenant config makes sense, so that rest of the
 	// code can assume that:
 	// 1. covenant quorum is less or equal to number of covenant pks
@@ -474,18 +479,43 @@ func (bc *BabylonController) QueryStakingTracker() (*StakingTrackerResponse, err
 		covenantPks = append(covenantPks, covenantBtcPk)
 	}
 
-	if response.Params.MinUnbondingTime > math.MaxUint16 {
+	if response.Params.MinUnbondingTimeBlocks > math.MaxUint16 {
 		return nil, fmt.Errorf("min unbonding time is bigger than uint16: %w", ErrInvalidValueReceivedFromBabylonNode)
 	}
 
+	if response.Params.MinStakingTimeBlocks > math.MaxUint16 {
+		return nil, fmt.Errorf("min staking time is bigger than uint16: %w", ErrInvalidValueReceivedFromBabylonNode)
+	}
+
+	if response.Params.MaxStakingTimeBlocks > math.MaxUint16 {
+		return nil, fmt.Errorf("max staking time is bigger than uint16: %w", ErrInvalidValueReceivedFromBabylonNode)
+	}
+
+	if response.Params.MinStakingValueSat < 0 {
+		return nil, fmt.Errorf("min staking value is negative: %w", ErrInvalidValueReceivedFromBabylonNode)
+	}
+
+	if response.Params.MaxStakingValueSat < 0 {
+		return nil, fmt.Errorf("max staking value is negative: %w", ErrInvalidValueReceivedFromBabylonNode)
+	}
+
+	if response.Params.UnbondingFeeSat < 0 {
+		return nil, fmt.Errorf("unbonding fee is negative: %w", ErrInvalidValueReceivedFromBabylonNode)
+	}
+
 	return &StakingTrackerResponse{
-		SlashingAddress:         slashingAddress,
+		SlashingPkScript:        response.Params.SlashingPkScript,
 		SlashingRate:            response.Params.SlashingRate,
 		MinComissionRate:        response.Params.MinCommissionRate,
 		CovenantPks:             covenantPks,
 		MinSlashingFee:          btcutil.Amount(response.Params.MinSlashingTxFeeSat),
 		CovenantQuruomThreshold: response.Params.CovenantQuorum,
-		MinUnbodningTime:        uint16(response.Params.MinUnbondingTime),
+		MinUnbondingTime:        uint16(response.Params.MinUnbondingTimeBlocks),
+		UnbondingFee:            btcutil.Amount(response.Params.UnbondingFeeSat),
+		MinStakingTime:          uint16(response.Params.MinStakingTimeBlocks),
+		MaxStakingTime:          uint16(response.Params.MaxStakingTimeBlocks),
+		MinStakingValue:         btcutil.Amount(response.Params.MinStakingValueSat),
+		MaxStakingValue:         btcutil.Amount(response.Params.MaxStakingValueSat),
 	}, nil
 }
 

babylonclient/interface.go

@@ -10,6 +10,7 @@ import (
 	"github.com/btcsuite/btcd/btcutil"
 	"github.com/btcsuite/btcd/chaincfg"
 	"github.com/btcsuite/btcd/chaincfg/chainhash"
+	"github.com/btcsuite/btcd/txscript"
 	"github.com/cosmos/cosmos-sdk/crypto/keys/secp256k1"
 	sdk "github.com/cosmos/cosmos-sdk/types"
 	pv "github.com/cosmos/relayer/v2/relayer/provider"
@@ -27,8 +28,8 @@ type StakingParams struct {
 	// Bitcoin public key of the current covenant
 	CovenantPks []*btcec.PublicKey
 
-	// Address to which slashing transactions are sent
-	SlashingAddress btcutil.Address
+	// PkScript that must be inserted in the slashing output of the slashing transaction
+	SlashingPkScript []byte
 
 	// The rate at which the staked funds will be slashed, expressed as a decimal.
 	SlashingRate sdkmath.LegacyDec
@@ -38,6 +39,21 @@ type StakingParams struct {
 
 	// Minimum unbonding time required by bayblon
 	MinUnbondingTime uint16
+
+	// Fee required by unbonding transaction
+	UnbondingFee btcutil.Amount
+
+	// Minimum staking time required by bayblon
+	MinStakingTime uint16
+
+	// Maximum staking time required by bayblon
+	MaxStakingTime uint16
+
+	// Minimum staking value required by bayblon
+	MinStakingValue btcutil.Amount
+
+	// Maximum staking value required by bayblon
+	MaxStakingValue btcutil.Amount
 }
 
 // SingleKeyCosmosKeyring represents a keyring that supports only one pritvate/public key pair
@@ -154,6 +170,12 @@ func GetMockClient() *MockBabylonClient {
 
 	slashingAddress, _ := btcutil.NewAddressPubKey(covenantPk.PubKey().SerializeCompressed(), &chaincfg.SimNetParams)
 
+	slashingPkScript, err := txscript.PayToAddrScript(slashingAddress)
+
+	if err != nil {
+		panic(err)
+	}
+
 	fpBtcPrivKey, err := btcec.NewPrivateKey()
 	if err != nil {
 		panic(err)
@@ -170,7 +192,7 @@ func GetMockClient() *MockBabylonClient {
 			FinalizationTimeoutBlocks: 5,
 			MinSlashingTxFeeSat:       btcutil.Amount(1000),
 			CovenantPks:               []*btcec.PublicKey{covenantPk.PubKey()},
-			SlashingAddress:           slashingAddress,
+			SlashingPkScript:          slashingPkScript,
 			SlashingRate:              sdkmath.LegacyNewDecWithPrec(1, 1), // 1 * 10^{-1} = 0.1
 		},
 		babylonKey:             priv,