feat(e2e/lib): added base sepolia config (#1294)

adds configuration to support the Base Sepolia chain.

- manifests
- types
- evmchain

uses the same pattern as per other chains.

guidance from @kevinhalliday 

task: https://app.asana.com/0/1206208509925075/1207670642804306/f

Co-authored-by: Pavel Nikolov <pavelnikolov@users.noreply.github.com>

docs/site/docs/develop/testnet/resources.md

@@ -20,6 +20,7 @@ Fields will be updated soon.
 | Ethereum Holesky |    `17000`    | [See ChainList Page](https://chainlist.org/chain/17000) |
 | Arbitrum Sepolia |   `421614`      | `https://sepolia-rollup.arbitrum.io/rpc` |
 | Optimism Sepolia |    `11155420`    | `https://sepolia.optimism.io` |
+| Base Sepolia |    `84532`    | `https://sepolia.base.org` |
 
 ## Addresses
 
@@ -48,3 +49,4 @@ Precompiles on the Omni EVM are equivalent to the Ethereum EVM precompiles.
 | Ethereum Holesky       | https://holesky.etherscan.io/ |
 | Arbitrum Sepolia       | https://sepolia.arbiscan.io/ |
 | Optimism Sepolia       | https://sepolia-optimism.etherscan.io/ |
+| Base Sepolia           | https://sepolia.basescan.org/ |

e2e/manifests/omega.toml

@@ -1,5 +1,5 @@
 network = "omega"
-public_chains = ["holesky","op_sepolia","arb_sepolia"]
+public_chains = ["holesky","op_sepolia","arb_sepolia", "base_sepolia"]
 
 multi_omni_evms = true
 prometheus = true

e2e/types/chain.go

@@ -34,6 +34,12 @@ var (
 		IsPublic: true,
 		Shards:   allShards,
 	}
+
+	chainBaseSepolia = EVMChain{
+		Metadata: mustMetadata(evmchain.IDBaseSepolia),
+		IsPublic: true,
+		Shards:   allShards,
+	}
 )
 
 // OmniEVMByNetwork returns the Omni evm chain definition by netconf network.
@@ -77,6 +83,8 @@ func PublicChainByName(name string) (EVMChain, error) {
 		return chainArbSepolia, nil
 	case chainOpSepolia.Name:
 		return chainOpSepolia, nil
+	case chainBaseSepolia.Name:
+		return chainBaseSepolia, nil
 	case chainEthereum.Name:
 		return chainEthereum, nil
 	default:
@@ -93,6 +101,8 @@ func PublicRPCByName(name string) string {
 		return "https://sepolia-rollup.arbitrum.io/rpc"
 	case chainOpSepolia.Name:
 		return "https://sepolia.optimism.io"
+	case chainBaseSepolia.Name:
+		return "https://sepolia.base.org"
 	case chainEthereum.Name:
 		return "https://ethereum-rpc.publicnode.com"
 	default:

lib/evmchain/evmchain.go

@@ -17,10 +17,11 @@ const (
 	IDOmniMainnet uint64 = 166
 
 	// Testnets.
-	IDOmniOmega  uint64 = 164
-	IDHolesky    uint64 = 17000
-	IDArbSepolia uint64 = 421614
-	IDOpSepolia  uint64 = 11155420
+	IDOmniOmega   uint64 = 164
+	IDHolesky     uint64 = 17000
+	IDArbSepolia  uint64 = 421614
+	IDOpSepolia   uint64 = 11155420
+	IDBaseSepolia uint64 = 84532
 
 	// Ephemeral.
 	IDOmniEphemeral uint64 = 1651
@@ -96,6 +97,13 @@ var static = map[uint64]Metadata{
 		NativeToken: tokens.ETH,
 		IsL2:        true,
 	},
+	IDBaseSepolia: {
+		ChainID:     IDBaseSepolia,
+		Name:        "base_sepolia",
+		BlockPeriod: 2 * time.Second,
+		NativeToken: tokens.ETH,
+		IsL2:        true,
+	},
 	IDOmniEphemeral: {
 		ChainID:     IDOmniEphemeral,
 		Name:        omniEVMName,