Add Meter to coin package (#75)

* Add meter to token type * Add specific test for the new token type Co-authored-by: Ivan Bozhytskyi <[email protected]>
trustwallet · Jul 11, 2022 · 297c9c7 · 297c9c7
1 parent cd79efc
commit 297c9c7
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Showing 7 changed files with 58 additions and 4 deletions.
diff --git a/coin/coins.go b/coin/coins.go
diff --git a/coin/coins.yml b/coin/coins.yml
@@ -510,4 +510,10 @@
   symbol: KAVA
   handle: kavaevm
   name: KavaEvm
-  decimals: 18
+  decimals: 18
+
+- id: 18000
+  symbol: MTR
+  handle: meter
+  name: Meter
+  decimals: 18
diff --git a/coin/models.go b/coin/models.go
@@ -38,7 +38,8 @@ func IsEVM(coinID uint) bool {
 		KCC,
 		AURORA,
 		ARBITRUM,
-		KAVAEVM:
+		KAVAEVM,
+		METER:
 		return true
 	}
 
@@ -130,6 +131,8 @@ func GetCoinExploreURL(c Coin, tokenID, tokenType string) (string, error) {
 		return fmt.Sprintf("https://algoexplorer.io/asset/%s", tokenID), nil
 	case KAVAEVM:
 		return fmt.Sprintf("https://explorer.kava.io/token/%s", tokenID), nil
+	case METER:
+		return fmt.Sprintf("https://scan.meter.io/address/%s", tokenID), nil
 	}
 
 	return "", errors.New("no explorer for coin: " + c.Handle)

diff --git a/coin/models_test.go b/coin/models_test.go
@@ -161,6 +161,16 @@ func TestGetCoinExploreURL(t *testing.T) {
 			want:    "https://explorer.kava.io/token/test",
 			wantErr: false,
 		},
+		{
+			name: "Test Meter",
+			args: args{
+				addr:      "test",
+				tokenType: "METER",
+				chain:     Meter(),
+			},
+			want:    "https://scan.meter.io/address/test",
+			wantErr: false,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {

diff --git a/types/chain.go b/types/chain.go
@@ -85,6 +85,8 @@ func GetChainFromAssetType(assetType string) (coin.Coin, error) {
 		return coin.Algorand(), nil
 	case KAVAERC20:
 		return coin.Kavaevm(), nil
+	case METER:
+		return coin.Meter(), nil
 	}
 
 	return coin.Coin{}, errors.New("unknown asset type: " + assetType)

diff --git a/types/token.go b/types/token.go
@@ -76,6 +76,7 @@ const (
 	AURORA    TokenType = "AURORA"
 	ALGORAND  TokenType = "ALGORAND"
 	KAVAERC20 TokenType = "KAVAERC20"
+	METER     TokenType = "METER"
 )
 
 const (
@@ -140,6 +141,7 @@ func GetTokenTypes() []TokenType {
 		AURORA,
 		ALGORAND,
 		KAVAERC20,
+		METER,
 	}
 }
 
@@ -242,7 +244,7 @@ func GetTokenVersion(tokenType string) (TokenVersion, error) {
 		return TokenVersionV10, nil
 	case RONIN, AURORA:
 		return TokenVersionV11, nil
-	case ERC721, ERC1155, EOS, NEP5, VET, ONTOLOGY, THETA, TOMO, POA, OASIS, ALGORAND, KAVAERC20:
+	case ERC721, ERC1155, EOS, NEP5, VET, ONTOLOGY, THETA, TOMO, POA, OASIS, ALGORAND, KAVAERC20, METER:
 		return TokenVersionUndefined, nil
 	default:
 		// This should not happen, as it is guarded by TestGetTokenVersionImplementEverySupportedTokenTypes
@@ -306,6 +308,8 @@ func GetEthereumTokenTypeByIndex(coinIndex uint) (TokenType, error) {
 		tokenType = ARBITRUM
 	case coin.KAVAEVM:
 		tokenType = KAVAERC20
+	case coin.METER:
+		tokenType = METER
 	}
 
 	if tokenType == "" {

diff --git a/types/token_test.go b/types/token_test.go
@@ -374,6 +374,12 @@ func TestGetTokenVersion(t *testing.T) {
 			TokenVersionUndefined,
 			ErrUnknownTokenType,
 		},
+		{
+			"Meter token version",
+			args{t: string(METER)},
+			TokenVersionUndefined,
+			nil,
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {