### Install go-execution-abci

Source: https://github.com/evstack/ev-abci/blob/main/README.md

Installs the go-execution-abci library using the Go package manager. This command fetches the latest version of the library and makes it available for use in your Go projects.

```bash
go get github.com/rollkit/go-execution-abci
```

--------------------------------

### Integrate go-execution-abci into Cosmos SDK Chain

Source: https://github.com/evstack/ev-abci/blob/main/README.md

This diff shows how to integrate the go-execution-abci server into a Cosmos SDK chain's command-line interface. It modifies the initialization of the root command to include ABCI server flags and a custom start command handler, enabling the ABCI adapter to run with the chain.

```diff
diff --git a/cmd/gmd/cmd/commands.go b/cmd/gmd/cmd/commands.go
index 310b195..19abe36 100644
--- a/cmd/gmd/cmd/commands.go
+++ b/cmd/gmd/cmd/commands.go
@@ -2,6 +2,7 @@ package cmd
 
 import (
 	"errors"
+	"gm/app"
 	"io"
 
 	"github.com/spf13/cobra"
@@ -24,7 +25,8 @@ import (
 	banktypes "github.com/cosmos/cosmos-sdk/x/bank/types"
 	genutilcli "github.com/cosmos/cosmos-sdk/x/genutil/client/cli"
 
-	"gm/app"
+	abciserver "github.com/rollkit/go-execution-abci/server"
+	rollconf "github.com/rollkit/rollkit/pkg/config"
 )
 
 func initRootCmd(
@@ -32,8 +34,18 @@ func initRootCmd(
 	txConfig client.TxConfig,
 	basicManager module.BasicManager,
 ) {
+
+	gensisCmd := genutilcli.InitCmd(basicManager, app.DefaultNodeHome)
+	rollconf.AddFlags(genesisCmd)
+	genesisCmdRunE := genesisCmd.RunE
+	genesisCmd.RunE = func(cmd *cobra.Command, args []string) error {
+		if err := genesisCmdRunE(cmd, args); err != nil {
+			return err
+		}
+		return abciserver.InitRunE(cmd, args)
+	}
+
 	rootCmd.AddCommand(
-		genutilcli.InitCmd(basicManager, app.DefaultNodeHome),
+		genesisCmd,
 		NewInPlaceTestnetCmd(),
 		NewTestnetMultiNodeCmd(basicManager, banktypes.GenesisBalancesIterator{}),
 		debug.Cmd(),
@@ -43,7 +55,10 @@ func initRootCmd(
 	)
 
 	server.AddCommandsWithStartCmdOptions(rootCmd, app.DefaultNodeHome, newApp, appExport, server.StartCmdOptions{
-		AddFlags: addModuleInitFlags,
+		AddFlags: func(cmd *cobra.Command) {
+			abciserver.AddFlags(cmd)
+		},
+		StartCommandHandler: abciserver.StartHandler(),
 	})

```

--------------------------------

### Build and Test Commands

Source: https://github.com/evstack/ev-abci/blob/main/README.md

Provides essential commands for setting up dependencies, running tests, and generating protocol buffer code required for development.

```Bash
# Install dependencies
make deps

# Run tests
make test

# Generate protocol buffer code (for modules)
make proto-gen
```

--------------------------------

### System Architecture Diagram

Source: https://github.com/evstack/ev-abci/blob/main/README.md

Visualizes the relationships and components of the ev-abci system, including the Adapter, Executor interface, ABCI interface, Mempool, and Store.

```Mermaid
classDiagram
    class Adapter {
        +App ABCI
        +Store Store
        +Mempool Mempool
        +P2PClient Client
        +TxGossiper Gossiper
        +InitChain()
        +ExecuteTxs()
        +GetTxs()
        +SetFinal()
    }

    class Executor {
        <<interface>>
        +InitChain()
        +ExecuteTxs()
        +GetTxs()
        +SetFinal()
    }

    class ABCI {
        <<interface>>
        +InitChain()
        +PrepareProposal()
        +ProcessProposal()
        +FinalizeBlock()
        +Commit()
    }

    class Mempool {
        +CheckTx()
        +ReapMaxBytesMaxGas()
    }

    class Store {
        +Get()
        +Set()
        +Height()
    }

    Executor <|.. Adapter : implements
    Adapter o-- ABCI : uses
    Adapter o-- Mempool : uses
    Adapter o-- Store : uses
```

--------------------------------

### Transaction Flow Diagram

Source: https://github.com/evstack/ev-abci/blob/main/README.md

Illustrates the sequence of operations for transaction submission and processing through the system components, from client submission to ABCI app finalization.

```Mermaid
sequenceDiagram
    participant Client
    participant P2P Network
    participant Mempool
    participant Adapter
    participant ABCI App

    Client->>P2P Network: Submit Tx
    P2P Network->>Mempool: Gossip Tx
    Mempool->>Adapter: CheckTx
    Adapter->>ABCI App: CheckTx
    ABCI App-->>Adapter: Response

    Note over Adapter: Block Creation Time

    Adapter->>Adapter: GetTxs
    Adapter->>ABCI App: PrepareProposal
    ABCI App-->>Adapter: Txs

    Note over Adapter: Block Execution

    Adapter->>ABCI App: ProcessProposal
    ABCI App-->>Adapter: Accept/Reject
    Adapter->>ABCI App: FinalizeBlock
    ABCI App-->>Adapter: AppHash

    Adapter->>ABCI App: Commit
```

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