82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
package main
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import (
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"context"
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"fmt"
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"os"
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"path/filepath"
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abci "github.com/cometbft/cometbft/api/cometbft/abci/v1"
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"github.com/hashicorp/go-plugin"
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streamingabci "cosmossdk.io/store/streaming/abci"
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store "cosmossdk.io/store/types"
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)
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// FilePlugin is the implementation of the baseapp.ABCIListener interface
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// For Go plugins this is all that is required to process data sent over gRPC.
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type FilePlugin struct {
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BlockHeight int64
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}
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func (a *FilePlugin) writeToFile(file string, data []byte) error {
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home, err := os.UserHomeDir()
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if err != nil {
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return err
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}
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filename := fmt.Sprintf("%s/%s.txt", home, file)
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f, err := os.OpenFile(filepath.Clean(filename), os.O_APPEND|os.O_CREATE|os.O_WRONLY, 0o600)
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if err != nil {
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return err
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}
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if _, err := f.Write(data); err != nil {
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f.Close() // ignore error; Write error takes precedence
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return err
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}
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if err := f.Close(); err != nil {
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return err
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}
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return nil
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}
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func (a *FilePlugin) ListenFinalizeBlock(ctx context.Context, req abci.FinalizeBlockRequest, res abci.FinalizeBlockResponse) error {
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d1 := []byte(fmt.Sprintf("%d:::%v\n", a.BlockHeight, req))
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d2 := []byte(fmt.Sprintf("%d:::%v\n", a.BlockHeight, req))
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if err := a.writeToFile("finalize-block-req", d1); err != nil {
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return err
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}
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if err := a.writeToFile("finalize-block-res", d2); err != nil {
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return err
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}
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return nil
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}
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func (a *FilePlugin) ListenCommit(ctx context.Context, res abci.CommitResponse, changeSet []*store.StoreKVPair) error {
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fmt.Printf("listen-commit: block_height=%d data=%v", res.RetainHeight, changeSet)
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d1 := []byte(fmt.Sprintf("%d:::%v\n", a.BlockHeight, res))
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d2 := []byte(fmt.Sprintf("%d:::%v\n", a.BlockHeight, changeSet))
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if err := a.writeToFile("commit-res", d1); err != nil {
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return err
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}
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if err := a.writeToFile("state-change", d2); err != nil {
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return err
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}
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return nil
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}
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func main() {
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plugin.Serve(&plugin.ServeConfig{
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HandshakeConfig: streamingabci.Handshake,
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Plugins: map[string]plugin.Plugin{
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"abci": &streamingabci.ListenerGRPCPlugin{Impl: &FilePlugin{}},
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},
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// A non-nil value here enables gRPC serving for this streaming...
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GRPCServer: plugin.DefaultGRPCServer,
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})
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}
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