fix: nullable fields

api_account.go

@@ -31,7 +31,7 @@ type Account struct {
 	Active bool `json:"active"`
 
 	// Epoch of the most recent action - registration or deregistration
-	ActiveEpoch int64 `json:"active_epoch"`
+	ActiveEpoch *int64 `json:"active_epoch"`
 
 	// Balance of the account in Lovelaces
 	ControlledAmount string `json:"controlled_amount"`
@@ -52,7 +52,7 @@ type Account struct {
 	WithdrawableAmount string `json:"withdrawable_amount"`
 
 	// Bech32 pool ID that owns the account
-	PoolID string `json:"pool_id"`
+	PoolID *string `json:"pool_id"`
 }
 
 // AccountRewardsHist return Account reward history

api_addresses.go

@@ -27,7 +27,7 @@ type Address struct {
 	Amount  []AddressAmount `json:"amount"`
 
 	// Stake address that controls the key
-	StakeAddress string `json:"stake_address"`
+	StakeAddress *string `json:"stake_address"`
 
 	// Address era.
 	// Enum: "byron" "shelley"
@@ -74,10 +74,10 @@ type AddressUTXO struct {
 	Block string `json:"block"`
 
 	// The hash of the transaction output datum
-	DataHash string `json:"data_hash"`
+	DataHash *string `json:"data_hash"`
 
-	InlineDatum         string `json:"inline_datum"`
-	ReferenceScriptHash string `json:"reference_script_hash"`
+	InlineDatum         *string `json:"inline_datum"`
+	ReferenceScriptHash *string `json:"reference_script_hash"`
 }
 
 type AddressTxResult struct {

api_addresses_test.go

@@ -23,10 +23,12 @@ var (
 const testdata = "testdata"
 
 func TestAddressUnMarshall(t *testing.T) {
+	stakeAddress := "stake1ux3u6x5cs388djqz6awnyuvez2f6n8jzjhqq59s4yxhm8jskeh0t9"
+
 	want := blockfrost.Address{
 		Address:      "addr1qxqs59lphg8g6qndelq8xwqn60ag3aeyfcp33c2kdp46a09re5df3pzwwmyq946axfcejy5n4x0y99wqpgtp2gd0k09qsgy6pz",
 		Amount:       []blockfrost.AddressAmount{{Unit: "lovelace", Quantity: "0"}},
-		StakeAddress: "stake1ux3u6x5cs388djqz6awnyuvez2f6n8jzjhqq59s4yxhm8jskeh0t9",
+		StakeAddress: &stakeAddress,
 		Type:         "shelley",
 		Script:       false,
 	}

api_assets.go

@@ -55,10 +55,15 @@ type Asset struct {
 	// Count of mint and burn transactions
 	MintOrBurnCount int `json:"mint_or_burn_count"`
 
-	// On-chain metadata stored in the minting transaction under label 721,
-	// community discussion around the standard ongoing at https://github.com/cardano-foundation/CIPs/pull/85
-	OnchainMetadata AssetOnchainMetadata `json:"onchain_metadata"`
-	Metadata        AssetMetadata        `json:"metadata"`
+	// On-chain metadata which SHOULD adhere to the valid standards, based on which we perform the look up and display the asset (best effort)
+	OnchainMetadata *AssetOnchainMetadata `json:"onchain_metadata"`
+	// Enum: "CIP25v1" "CIP25v2" "CIP68v1"
+	// If on-chain metadata passes validation, we display the standard under which it is valid
+	OnchainMetadataStandard *string `json:"onchain_metadata_standard"`
+	// Arbitrary plutus data (CIP68).
+	OnchainMetadataExtra *string `json:"onchain_metadata_extra"`
+	// Off-chain metadata fetched from GitHub based on network.
+	Metadata *AssetMetadata `json:"metadata"`
 }
 
 // Assets minted under a specific policy.

api_assets_test.go

@@ -21,11 +21,11 @@ func TestAssetUnmarshal(t *testing.T) {
 		InitialMintTxHash: "6804edf9712d2b619edb6ac86861fe93a730693183a262b165fcc1ba1bc99cad",
 		MintOrBurnCount:   1,
 		Quantity:          "12000",
-		OnchainMetadata: blockfrost.AssetOnchainMetadata{
+		OnchainMetadata: &blockfrost.AssetOnchainMetadata{
 			Image: "ipfs://ipfs/QmfKyJ4tuvHowwKQCbCHj4L5T3fSj8cjs7Aau8V7BWv226",
 			Name:  "My NFT token",
 		},
-		Metadata: blockfrost.AssetMetadata{
+		Metadata: &blockfrost.AssetMetadata{
 			Name:        "nutcoin",
 			Description: "The Nut Coin",
 			Ticker:      "nutc",

api_mempool.go

@@ -35,10 +35,10 @@ type MempoolTransaction struct {
 	Hash string `json:"hash"`
 
 	// Left (included) endpoint of the timelock validity intervals
-	InvalidBefore string `json:"invalid_before"`
+	InvalidBefore *string `json:"invalid_before"`
 
 	// Right (excluded) endpoint of the timelock validity intervals
-	InvalidHereafter string `json:"invalid_hereafter"`
+	InvalidHereafter *string `json:"invalid_hereafter"`
 
 	// Count of the MIR certificates within the transaction
 	MirCertCount int `json:"mir_cert_count"`
@@ -80,10 +80,10 @@ type MempoolTransactionOutput struct {
 	Address             string     `json:"address"`
 	Amount              []TxAmount `json:"amount"`
 	OutputIndex         int        `json:"output_index"`
-	DataHash            string     `json:"data_hash"`
-	InlineDatum         string     `json:"inline_datum"`
+	DataHash            *string    `json:"data_hash"`
+	InlineDatum         *string    `json:"inline_datum"`
 	Collateral          bool       `json:"collateral"`
-	ReferenceScriptHash string     `json:"reference_script_hash"`
+	ReferenceScriptHash *string    `json:"reference_script_hash"`
 }
 type MempoolTransactionInput struct {
 	Address     string  `json:"address"`

api_mempool_test.go

@@ -20,6 +20,7 @@ func TestMempoolUnmarshal(t *testing.T) {
 }
 
 func TestMempoolTransactionContentUnmarshal(t *testing.T) {
+	invalidHereafter := "109798439"
 	want := blockfrost.MempoolTransactionContent{
 		Tx: blockfrost.MempoolTransaction{
 			Hash: "1f96d3824eb2aeeb0b09b99748bb70ac681e0cae6e37e01c43958b79ca69c986",
@@ -37,8 +38,8 @@ func TestMempoolTransactionContentUnmarshal(t *testing.T) {
 			Fees:             "369133",
 			Deposit:          "0",
 			Size:             4683,
-			InvalidBefore:    "",
-			InvalidHereafter: "109798439",
+			InvalidBefore:    nil,
+			InvalidHereafter: &invalidHereafter,
 			UtxoCount:        2,
 			ValidContract:    true,
 		},
@@ -59,13 +60,10 @@ func TestMempoolTransactionContentUnmarshal(t *testing.T) {
 					Unit:     "6787a47e9f73efe4002d763337140da27afa8eb9a39413d2c39d4286524144546f6b656e73",
 					Quantity: "15000",
 				}},
-				OutputIndex: 0,
-				// DataHash:            nil,
-				// InlineDatum:         nil,
-				// ReferenceScriptHash: nil,
-				DataHash:            "",
-				InlineDatum:         "",
-				ReferenceScriptHash: "",
+				OutputIndex:         0,
+				DataHash:            nil,
+				InlineDatum:         nil,
+				ReferenceScriptHash: nil,
 				Collateral:          false,
 			}},
 		Redeemers: nil,

api_metadata.go

@@ -18,9 +18,9 @@ const (
 // MetadataTxLabel return Transaction metadata labels
 // List of all used transaction metadata labels.
 type MetadataTxLabel struct {
-	Label string `json:"label"`
-	Cip10 string `json:"cip10"`
-	Count string `json:"count"`
+	Label string  `json:"label"`
+	Cip10 *string `json:"cip10"`
+	Count string  `json:"count"`
 }
 
 // MetadataTxContentInJSON Transaction metadata content raw in JSON
@@ -30,14 +30,14 @@ type MetadataTxContentInJSON struct {
 	TxHash string `json:"tx_hash"`
 	// 	string or object or Array of any or integer or number or boolean Nullable
 	// Content of the JSON metadata
-	JSONMetadata interface{} `json:"json_metadata"`
+	JSONMetadata *interface{} `json:"json_metadata"`
 }
 
 // MetadataTxContentInCBOR return Transaction metadata content in CBOR
 // Transaction metadata per label.
 type MetadataTxContentInCBOR struct {
-	TxHash       string `json:"tx_hash"`
-	CborMetadata string `json:"cbor_metadata"`
+	TxHash   string  `json:"tx_hash"`
+	Metadata *string `json:"metadata"`
 }
 
 type MetadataTxLabelResult struct {

api_pool.go

@@ -74,24 +74,24 @@ type PoolHistory struct {
 // PoolMetadata return Stake pool metadata
 // Stake pool registration metadata.
 type PoolMetadata struct {
-	PoolID      string `json:"pool_id"`
-	Hex         string `json:"hex"`
-	URL         string `json:"url"`
-	Hash        string `json:"hash"`
-	Ticker      string `json:"ticker"`
-	Name        string `json:"name"`
-	Description string `json:"description"`
-	Homepage    string `json:"homepage"`
+	PoolID      string  `json:"pool_id"`
+	Hex         string  `json:"hex"`
+	URL         *string `json:"url"`
+	Hash        *string `json:"hash"`
+	Ticker      *string `json:"ticker"`
+	Name        *string `json:"name"`
+	Description *string `json:"description"`
+	Homepage    *string `json:"homepage"`
 }
 
 // PoolRelay return Stake pool relays
 // Relays of a stake pool.
 type PoolRelay struct {
-	Ipv4   string `json:"ipv4"`
-	Ipv6   string `json:"ipv6"`
-	DNS    string `json:"dns"`
-	DNSSrv string `json:"dns_srv"`
-	Port   int    `json:"port"`
+	Ipv4   *string `json:"ipv4"`
+	Ipv6   *string `json:"ipv6"`
+	DNS    *string `json:"dns"`
+	DNSSrv *string `json:"dns_srv"`
+	Port   int     `json:"port"`
 }
 
 // PoolDelegator return Stake pool delegators

api_script.go

@@ -12,6 +12,10 @@ import (
 const (
 	resourceScripts   = "scripts"
 	resourceRedeemers = "redeemers"
+	// resourceScriptsJson = "json"
+	// resourceScriptsCbor = "cbor"
+	// resourceDatum       = "datum"
+	// resourceDatumCbor   = "cbor"
 )
 
 // Script contains information about a script
@@ -23,7 +27,7 @@ type Script struct {
 	Type string `json:"type"`
 
 	// The size of the CBOR serialised script, if a Plutus script
-	SerialisedSize int `json:"serialised_size"`
+	SerialisedSize *int `json:"serialised_size"`
 }
 
 // ScriptRedeemer contains information about a script redeemer.