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pkg/coins/coins.go

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+package coins
+
+// Coin represents a cryptocurrency
+type Coin interface {
+	// FormatAddress formats a public key into an address
+	FormatAddress(pubKey []byte) (string, error)
+
+	// GetIndex returns the coin type index
+	GetIndex() int64
+
+	// GetPath returns the coin component path
+	GetPath() uint32
+
+	// GetSymbol returns the coin symbol
+	GetSymbol() string
+
+	// GetMethod returns the coin DID method
+	GetMethod() string
+
+	// GetName returns the coin name
+	GetName() string
+}
+
+// DefaultCoins is a list of default coins used in the vault
+var DefaultCoins = []Coin{
+	CoinBTC,
+	CoinETH,
+	CoinSNR,
+}
+
+var (
+	// Bitcoin mainnet
+	CoinBTC = &coin{
+		Name:   "Bitcoin",
+		Index:  0,
+		Path:   0x80000000,
+		Symbol: "BTC",
+		Hrp:    "bc",
+		Method: "btcr",
+	}
+
+	// Ethereum
+	CoinETH = &coin{
+		Name:   "Ethereum",
+		Index:  60,
+		Path:   0x8000003c,
+		Symbol: "ETH",
+		Method: "ethr",
+	}
+
+	// Sonr
+	CoinSNR = &coin{
+		Name:   "Sonr",
+		Index:  703,
+		Path:   0x800002bf,
+		Symbol: "SNR",
+		Hrp:    "idx",
+		Method: "sonr",
+	}
+)
+
+// CoinBTCType is the coin type for BTC
+const CoinBTCType = int64(0)
+
+// CoinETHType is the coin type for ETH
+const CoinETHType = int64(60)
+
+// CoinSNRType is the coin type for SNR
+const CoinSNRType = int64(703)

pkg/coins/defaults.go

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+package coins
+
+import (
+	"fmt"
+
+	"github.com/cosmos/cosmos-sdk/types/bech32"
+)
+
+type coin struct {
+	Name   string `json:"name"`
+	Symbol string `json:"symbol"`
+	Hrp    string `json:"hrp"`
+	Method string `json:"method"`
+	Index  int64  `json:"index"`
+	Path   uint32 `json:"path"`
+}
+
+// FormatAddress formats the address based on the coin
+func (c *coin) FormatAddress(pubKey []byte) (string, error) {
+	if c.Hrp != "" {
+		return bech32.ConvertAndEncode(c.Hrp, pubKey)
+	}
+	return "", fmt.Errorf("unsupported coin")
+}
+
+// GetIndex returns the coin index
+func (c *coin) GetIndex() int64 {
+	return c.Index
+}
+
+// GetName returns the coin name
+func (c *coin) GetName() string {
+	return c.Name
+}
+
+// GetSymbol returns the coin symbol
+func (c *coin) GetSymbol() string {
+	return c.Symbol
+}
+
+// GetHrp returns the coin hrp
+func (c *coin) GetHrp() string {
+	return c.Hrp
+}
+
+// GetPath returns the coin path
+func (c *coin) GetPath() uint32 {
+	return c.Path
+}
+
+// GetMethod returns the DID method for the coin
+func (c *coin) GetMethod() string {
+	return c.Method
+}