feat(metadata): add NEP141 token standard for near blockchain (#57)

Co-authored-by: Franky <[email protected]>

Author: pseudoyu

schema/metadata/collectible.go

@@ -49,6 +49,10 @@ func (r CollectibleTradeAction) Type() schema.Type {
 const (
 	ActionCollectibleTradeBuy CollectibleTradeAction = iota + 1
 	ActionCollectibleTradeSell
+	ActionCollectibleTradeOffer
+	ActionCollectibleTradeSet
+	ActionCollectibleTradeCreate
+	ActionCollectibleTradeFinalize
 )
 
 var _ Metadata = (*CollectibleTradeAction)(nil)

schema/metadata/collectible_trade.go

@@ -43,7 +43,7 @@ func (r GovernanceVoteAction) Type() schema.Type {
 }
 
 const (
-	ActionGovernanceFor GovernanceVoteAction = iota + 1
-	ActionGovernanceAgainst
-	ActionGovernanceAbstain
+	ActionGovernanceVoteFor GovernanceVoteAction = iota + 1
+	ActionGovernanceVoteAgainst
+	ActionGovernanceVoteAbstain
 )

schema/metadata/governance.go

@@ -10,4 +10,5 @@ const (
 	StandardERC721  Standard = 721  // ERC-721
 	StandardERC1155 Standard = 1155 // ERC-1155
 	StandardERC1967 Standard = 1967 // ERC-1967
+	StandardNEP141  Standard = 141  // NEP-141
 )