Remove unused contract methods

pkg/fakes/blockchain.go

@@ -1,8 +1,6 @@
 package fakes
 
 import (
-	"sort"
-
 	"math/big"
 
 	"github.com/vulcanize/vulcanizedb/pkg/core"
@@ -18,6 +16,10 @@ type Blockchain struct {
 	ContractReturnValue []byte
 }
 
+func (blockchain *Blockchain) FetchContractData(abiJSON string, address string, method string, methodArg interface{}, result interface{}, blockNumber int64) error {
+	panic("implement me")
+}
+
 func (blockchain *Blockchain) CallContract(contractHash string, input []byte, blockNumber *big.Int) ([]byte, error) {
 	return blockchain.ContractReturnValue, nil
 }
@@ -40,16 +42,6 @@ func (blockchain *Blockchain) Node() core.Node {
 	return blockchain.node
 }
 
-func (blockchain *Blockchain) GetAttribute(contract core.Contract, attributeName string, blockNumber *big.Int) (interface{}, error) {
-	var result interface{}
-	if blockNumber == nil {
-		result = blockchain.contractAttributes[contract.Hash+"-1"][attributeName]
-	} else {
-		result = blockchain.contractAttributes[contract.Hash+blockNumber.String()][attributeName]
-	}
-	return result, nil
-}
-
 func NewBlockchain() *Blockchain {
 	return &Blockchain{
 		blocks:             make(map[int64]core.Block),
@@ -77,29 +69,3 @@ func (blockchain *Blockchain) AddBlock(block core.Block) {
 	blockchain.blocks[block.Number] = block
 	blockchain.blocksChannel <- block
 }
-
-func (blockchain *Blockchain) SetContractStateAttribute(contractHash string, blockNumber *big.Int, attributeName string, attributeValue string) {
-	var key string
-	if blockNumber == nil {
-		key = contractHash + "-1"
-	} else {
-		key = contractHash + blockNumber.String()
-	}
-	contractStateAttributes := blockchain.contractAttributes[key]
-	if contractStateAttributes == nil {
-		blockchain.contractAttributes[key] = make(map[string]string)
-	}
-	blockchain.contractAttributes[key][attributeName] = attributeValue
-}
-
-func (blockchain *Blockchain) GetAttributes(contract core.Contract) (core.ContractAttributes, error) {
-	var contractAttributes core.ContractAttributes
-	attributes, ok := blockchain.contractAttributes[contract.Hash+"-1"]
-	if ok {
-		for key := range attributes {
-			contractAttributes = append(contractAttributes, core.ContractAttribute{Name: key, Type: "string"})
-		}
-	}
-	sort.Sort(contractAttributes)
-	return contractAttributes, nil
-}