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May 26, 2025
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Update integrate docs #6

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16 changes: 11 additions & 5 deletions docs/integrate/to-cosmos-sdk-chain.md
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Original file line number Diff line number Diff line change
Expand Up @@ -925,10 +925,10 @@ func NewAnteHandler(options HandlerOptions) sdk.AnteHandler {
opts := txWithExtensions.GetExtensionOptions()
if len(opts) > 0 {
switch typeURL := opts[0].GetTypeUrl(); typeURL {
case "/os.evm.v1.ExtensionOptionsEthereumTx":
case "/cosmos.evm.vm.v1.ExtensionOptionsEthereumTx":
// handle as *evmtypes.MsgEthereumTx
anteHandler = newMonoEVMAnteHandler(options)
case "/os.types.v1.ExtensionOptionDynamicFeeTx":
case "/cosmos.evm.types.v1.ExtensionOptionDynamicFeeTx":
// cosmos-sdk tx with dynamic fee extension
anteHandler = NewCosmosAnteHandler(options)
default:
Expand Down Expand Up @@ -1019,7 +1019,7 @@ func initRootCmd(
}
```

## Step 10: Update root.go to Use EVM-Compatible Keyring
## Step 10: Update root.go to Use EVM-Compatible Keyring and Coin Type

Update `cmd/evmd/root.go`:
```go
Expand All @@ -1038,8 +1038,14 @@ func NewRootCmd() *cobra.Command {
clientCtx = clientCtx.
// ... existing options
WithBroadcastMode(flags.FlagBroadcastMode). // Add this
WithKeyringOptions(evmkeyring.Option()). // Add this
WithLedgerHasProtobuf(true). // Add this
WithKeyringOptions(evmkeyring.Option()). // Add this
WithLedgerHasProtobuf(true) // Add this

// Update the coin type
cfg := sdk.GetConfig()
cfg.SetCoinType(evmtypes.Bip44CoinType)
cfg.SetPurpose(sdk.Purpose)
cfg.Seal()
}
```

Expand Down