Remove eth_getAssetBalance API

RELEASES.md

@@ -1,7 +1,7 @@
 # Release Notes
 
 ## [v0.14.1](https://github.com/ava-labs/coreth/releases/tag/v0.14.1)
-- TBD
+- Remove API eth_getAssetBalance that was used to query ANT balances (deprecated since v0.10.0)
 
 ## [v0.14.0](https://github.com/ava-labs/coreth/releases/tag/v0.14.0)
 - Minor version update to correspond to avalanchego v1.12.0 / Etna.

ethclient/ethclient.go

@@ -34,7 +34,6 @@ import (
 	"fmt"
 	"math/big"
 
-	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/coreth/accounts/abi/bind"
 	"github.com/ava-labs/coreth/core/types"
 	"github.com/ava-labs/coreth/interfaces"
@@ -90,7 +89,6 @@ type Client interface {
 	SubscribeNewHead(context.Context, chan<- *types.Header) (interfaces.Subscription, error)
 	NetworkID(context.Context) (*big.Int, error)
 	BalanceAt(context.Context, common.Address, *big.Int) (*big.Int, error)
-	AssetBalanceAt(context.Context, common.Address, ids.ID, *big.Int) (*big.Int, error)
 	BalanceAtHash(ctx context.Context, account common.Address, blockHash common.Hash) (*big.Int, error)
 	StorageAt(context.Context, common.Address, common.Hash, *big.Int) ([]byte, error)
 	StorageAtHash(ctx context.Context, account common.Address, key common.Hash, blockHash common.Hash) ([]byte, error)
@@ -467,14 +465,6 @@ func (ec *client) BalanceAt(ctx context.Context, account common.Address, blockNu
 	return (*big.Int)(&result), err
 }
 
-// AssetBalanceAt returns the [assetID] balance of the given account
-// The block number can be nil, in which case the balance is taken from the latest known block.
-func (ec *client) AssetBalanceAt(ctx context.Context, account common.Address, assetID ids.ID, blockNumber *big.Int) (*big.Int, error) {
-	var result hexutil.Big
-	err := ec.c.CallContext(ctx, &result, "eth_getAssetBalance", account, ToBlockNumArg(blockNumber), assetID)
-	return (*big.Int)(&result), err
-}
-
 // BalanceAtHash returns the wei balance of the given account.
 func (ec *client) BalanceAtHash(ctx context.Context, account common.Address, blockHash common.Hash) (*big.Int, error) {
 	var result hexutil.Big

internal/ethapi/api.go

@@ -35,7 +35,6 @@ import (
 	"strings"
 	"time"
 
-	"github.com/ava-labs/avalanchego/ids"
 	"github.com/ava-labs/coreth/accounts"
 	"github.com/ava-labs/coreth/accounts/keystore"
 	"github.com/ava-labs/coreth/accounts/scwallet"
@@ -646,17 +645,6 @@ func (s *BlockChainAPI) GetBalance(ctx context.Context, address common.Address,
 	return (*hexutil.Big)(b), state.Error()
 }
 
-// GetAssetBalance returns the amount of [assetID] for the given address in the state of the
-// given block number. The rpc.LatestBlockNumber, rpc.PendingBlockNumber, and
-// rpc.AcceptedBlockNumber meta block numbers are also allowed.
-func (s *BlockChainAPI) GetAssetBalance(ctx context.Context, address common.Address, blockNrOrHash rpc.BlockNumberOrHash, assetID ids.ID) (*hexutil.Big, error) {
-	state, _, err := s.b.StateAndHeaderByNumberOrHash(ctx, blockNrOrHash)
-	if state == nil || err != nil {
-		return nil, err
-	}
-	return (*hexutil.Big)(state.GetBalanceMultiCoin(address, common.Hash(assetID))), state.Error()
-}
-
 // AccountResult structs for GetProof
 type AccountResult struct {
 	Address      common.Address  `json:"address"`