fix about lost blockchain state: first pr: add debug prover and debug chain module for testing

chains/debug/chain.go

@@ -0,0 +1,73 @@
+package debug
+
+import (
+	"context"
+	"time"
+
+	"github.com/cosmos/cosmos-sdk/codec"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	ibcexported "github.com/cosmos/ibc-go/v8/modules/core/exported"
+
+	"github.com/hyperledger-labs/yui-relayer/core"
+)
+
+type Chain struct {
+	config      ChainConfig
+	OriginChain core.Chain
+}
+
+var _ core.Chain = (*Chain)(nil)
+
+func (c *Chain) ChainID() string {
+	return c.OriginChain.ChainID()
+}
+
+func (c *Chain) Codec() codec.ProtoCodecMarshaler {
+	return c.OriginChain.Codec()
+}
+
+func (c *Chain) GetAddress() (sdk.AccAddress, error) {
+	return c.OriginChain.GetAddress()
+}
+
+// SetRelayInfo sets source's path and counterparty's info to the chain
+func (c *Chain) SetRelayInfo(path *core.PathEnd, counterparty *core.ProvableChain, counterpartyPath *core.PathEnd) error {
+	return c.OriginChain.SetRelayInfo(path, counterparty, counterpartyPath)
+}
+
+func (c *Chain) Path() *core.PathEnd {
+	return c.OriginChain.Path()
+}
+
+func (c *Chain) Init(homePath string, timeout time.Duration, codec codec.ProtoCodecMarshaler, debug bool) error {
+	return c.OriginChain.Init(homePath, timeout, codec, debug)
+}
+
+func (c *Chain) SetupForRelay(ctx context.Context) error {
+	return c.OriginChain.SetupForRelay(ctx)
+}
+
+// LatestHeight queries the chain for the latest height and returns it
+func (c *Chain) LatestHeight(ctx context.Context) (ibcexported.Height, error) {
+	return c.OriginChain.LatestHeight(ctx)
+}
+
+func (c *Chain) Timestamp(ctx context.Context, height ibcexported.Height) (time.Time, error) {
+	return c.OriginChain.Timestamp(ctx, height)
+}
+
+func (c *Chain) AverageBlockTime() time.Duration {
+	return c.OriginChain.AverageBlockTime()
+}
+
+func (c *Chain) RegisterMsgEventListener(listener core.MsgEventListener) {
+	c.OriginChain.RegisterMsgEventListener(listener)
+}
+
+func (c *Chain) SendMsgs(ctx context.Context, msgs []sdk.Msg) ([]core.MsgID, error) {
+	return c.OriginChain.SendMsgs(ctx, msgs)
+}
+
+func (c *Chain) GetMsgResult(ctx context.Context, id core.MsgID) (core.MsgResult, error) {
+	return c.OriginChain.GetMsgResult(ctx, id)
+}

chains/debug/codec.go

@@ -0,0 +1,15 @@
+package debug
+
+import (
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	"github.com/hyperledger-labs/yui-relayer/core"
+)
+
+// RegisterInterfaces register the module interfaces to protobuf
+// Any.
+func RegisterInterfaces(registry codectypes.InterfaceRegistry) {
+	registry.RegisterImplementations(
+		(*core.ChainConfig)(nil),
+		&ChainConfig{},
+	)
+}

chains/debug/config.go

@@ -0,0 +1,45 @@
+package debug
+
+import (
+	"fmt"
+
+	codectypes "github.com/cosmos/cosmos-sdk/codec/types"
+	"github.com/hyperledger-labs/yui-relayer/core"
+)
+
+var _ core.ChainConfig = (*ChainConfig)(nil)
+
+var _ codectypes.UnpackInterfacesMessage = (*ChainConfig)(nil)
+
+func (cfg *ChainConfig) UnpackInterfaces(unpacker codectypes.AnyUnpacker) error {
+	if cfg == nil {
+		return nil
+	}
+	if err := unpacker.UnpackAny(cfg.OriginChain, new(core.ChainConfig)); err != nil {
+		return err
+	}
+	return nil
+}
+
+func (c ChainConfig) Build() (core.Chain, error) {
+	if c.OriginChain == nil {
+		return nil, fmt.Errorf("OriginChain must be set")
+	}
+	if c.OriginChain.GetCachedValue() == nil {
+		return nil, fmt.Errorf("OriginChain.GetCachedValue() must be set")
+	}
+
+	originChain, err := c.OriginChain.GetCachedValue().(core.ChainConfig).Build()
+	if err != nil {
+		return nil, err
+	}
+
+	return &Chain{
+		config:      c,
+		OriginChain: originChain,
+	}, nil
+}
+
+func (c ChainConfig) Validate() error {
+	return nil
+}