From b1365fb792e384323bf7ac95acd9406bc27a85f2 Mon Sep 17 00:00:00 2001
From: Solovyov1796 <xinyu412@live.com>
Date: Wed, 1 May 2024 12:26:29 +0800
Subject: [PATCH] add chaincfg to save all configration of chain

---
 chaincfg/coin.go    | 22 ++++++++++++++++++++++
 chaincfg/config.go  | 15 +++++++++++++++
 chaincfg/denoms.go  | 27 +++++++++++++++++++++++++++
 chaincfg/homedir.go | 25 +++++++++++++++++++++++++
 chaincfg/prefix.go  | 44 ++++++++++++++++++++++++++++++++++++++++++++
 5 files changed, 133 insertions(+)
 create mode 100644 chaincfg/coin.go
 create mode 100644 chaincfg/config.go
 create mode 100644 chaincfg/denoms.go
 create mode 100644 chaincfg/homedir.go
 create mode 100644 chaincfg/prefix.go

diff --git a/chaincfg/coin.go b/chaincfg/coin.go
new file mode 100644
index 00000000..05cf16ab
--- /dev/null
+++ b/chaincfg/coin.go
@@ -0,0 +1,22 @@
+package chaincfg
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+var (
+	// Bip44CoinType satisfies EIP84. See https://github.com/ethereum/EIPs/issues/84 for more info.
+	Bip44CoinType uint32 = 459 // TODO: need new coin type for 0g-chain (a0gi)
+	// eth = 60
+	// kava = 459 // see https://github.com/satoshilabs/slips/blob/master/slip-0044.md
+	// BIP44HDPath is the default BIP44 HD path used on Ethereum.
+	//BIP44HDPath = ethaccounts.DefaultBaseDerivationPath.String()
+)
+
+// TODO: Implement BIP44CoinType and BIP44HDPath
+// SetBip44CoinType sets the global coin type to be used in hierarchical deterministic wallets.
+func setBip44CoinType(config *sdk.Config) {
+	config.SetCoinType(Bip44CoinType)
+	//config.SetPurpose(sdk.Purpose)            // Shared
+	//config.SetFullFundraiserPath(BIP44HDPath) //nolint: staticcheck
+}
diff --git a/chaincfg/config.go b/chaincfg/config.go
new file mode 100644
index 00000000..88fadbda
--- /dev/null
+++ b/chaincfg/config.go
@@ -0,0 +1,15 @@
+package chaincfg
+
+import sdk "github.com/cosmos/cosmos-sdk/types"
+
+const (
+	AppName   = "0gchain"
+	EnvPrefix = "0GCHAIN"
+)
+
+func SetSDKConfig() *sdk.Config {
+	config := sdk.GetConfig()
+	setBech32Prefixes(config)
+	setBip44CoinType(config)
+	return config
+}
diff --git a/chaincfg/denoms.go b/chaincfg/denoms.go
new file mode 100644
index 00000000..cbd61280
--- /dev/null
+++ b/chaincfg/denoms.go
@@ -0,0 +1,27 @@
+package chaincfg
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+const (
+	// DisplayDenom defines the denomination displayed to users in client applications.
+	DisplayDenom = "a0gi"
+	// BaseDenom defines to the default denomination used in 0g-chain
+	BaseDenom = "neuron"
+
+	BaseDenomUnit = 18
+
+	ConversionMultiplier = 1e18
+)
+
+// RegisterDenoms registers the base and display denominations to the SDK.
+func RegisterDenoms() {
+	if err := sdk.RegisterDenom(DisplayDenom, sdk.OneDec()); err != nil {
+		panic(err)
+	}
+
+	if err := sdk.RegisterDenom(BaseDenom, sdk.NewDecWithPrec(1, BaseDenomUnit)); err != nil {
+		panic(err)
+	}
+}
diff --git a/chaincfg/homedir.go b/chaincfg/homedir.go
new file mode 100644
index 00000000..2a4cb933
--- /dev/null
+++ b/chaincfg/homedir.go
@@ -0,0 +1,25 @@
+package chaincfg
+
+import (
+	stdlog "log"
+	"os"
+	"path/filepath"
+)
+
+const (
+	HomeDirName = ".0gchain"
+)
+
+var (
+	// DefaultNodeHome default home directories for the application daemon
+	DefaultNodeHome string
+)
+
+func init() {
+	userHomeDir, err := os.UserHomeDir()
+	if err != nil {
+		stdlog.Printf("Failed to get home dir %v", err)
+	}
+
+	DefaultNodeHome = filepath.Join(userHomeDir, HomeDirName)
+}
diff --git a/chaincfg/prefix.go b/chaincfg/prefix.go
new file mode 100644
index 00000000..b45c8f6c
--- /dev/null
+++ b/chaincfg/prefix.go
@@ -0,0 +1,44 @@
+package chaincfg
+
+import (
+	sdk "github.com/cosmos/cosmos-sdk/types"
+)
+
+const (
+	// Bech32Prefix defines the Bech32 prefix used for EthAccounts
+	Bech32Prefix = "0g"
+
+	// PrefixAccount is the prefix for account keys
+	PrefixAccount = "acc"
+	// PrefixValidator is the prefix for validator keys
+	PrefixValidator = "val"
+	// PrefixConsensus is the prefix for consensus keys
+	PrefixConsensus = "cons"
+	// PrefixPublic is the prefix for public keys
+	PrefixPublic = "pub"
+	// PrefixOperator is the prefix for operator keys
+	PrefixOperator = "oper"
+
+	// PrefixAddress is the prefix for addresses
+	PrefixAddress = "addr"
+
+	// Bech32PrefixAccAddr defines the Bech32 prefix of an account's address
+	Bech32PrefixAccAddr = Bech32Prefix
+	// Bech32PrefixAccPub defines the Bech32 prefix of an account's public key
+	Bech32PrefixAccPub = Bech32Prefix + PrefixPublic
+	// Bech32PrefixValAddr defines the Bech32 prefix of a validator's operator address
+	Bech32PrefixValAddr = Bech32Prefix + PrefixValidator + PrefixOperator
+	// Bech32PrefixValPub defines the Bech32 prefix of a validator's operator public key
+	Bech32PrefixValPub = Bech32Prefix + PrefixValidator + PrefixOperator + PrefixPublic
+	// Bech32PrefixConsAddr defines the Bech32 prefix of a consensus node address
+	Bech32PrefixConsAddr = Bech32Prefix + PrefixValidator + PrefixConsensus
+	// Bech32PrefixConsPub defines the Bech32 prefix of a consensus node public key
+	Bech32PrefixConsPub = Bech32Prefix + PrefixValidator + PrefixConsensus + PrefixPublic
+)
+
+// setBech32Prefixes sets the global prefixes to be used when serializing addresses and public keys to Bech32 strings.
+func setBech32Prefixes(config *sdk.Config) {
+	config.SetBech32PrefixForAccount(Bech32PrefixAccAddr, Bech32PrefixAccPub)
+	config.SetBech32PrefixForValidator(Bech32PrefixValAddr, Bech32PrefixValPub)
+	config.SetBech32PrefixForConsensusNode(Bech32PrefixConsAddr, Bech32PrefixConsPub)
+}