Add CHANGELOG for v0.60.0 (#293)

Author: VojtechVitek

CHANGELOG.md

@@ -0,0 +1,54 @@
+# v0.60.0
+
+- Adds support for Sequence Wallet v3 contracts
+- Keeps backward compatibility with Sequence Wallet v1/v2 contracts
+
+## API Breaking changes in go-sequence
+
+### `sequence.Relayer` interface
+
+```diff
+ package sequence
+
+ import (
+     "github.com/0xsequence/ethkit/go-ethereum/common"
+ )
+ 
+ type Relayer interface {
+-	EstimateGasLimits(ctx context.Context, walletConfig core.WalletConfig, walletContext WalletContext, txns Transactions) (Transactions, error)
+ 
+-	Simulate(ctx context.Context, txs *SignedTransactions) ([]*RelayerSimulateResult, error)
++	Simulate(ctx context.Context, wallet common.Address, transactions Transactions) ([]*SimulateResult, error)
+ 
+	// ...
+ }
+```
+
+`sequence.RelayerSimulateResult` type has been replaced by `sequence.SimulateResult`:
+
+```diff
+-type RelayerSimulateResult struct {
+- 	Executed  bool
+- 	Succeeded bool
+- 	Result    *string
+- 	Reason    *string
+- 	GasUsed   uint
+- 	GasLimit  uint
+- }
+ 
++ type SimulateResult struct {
++ 	simulator.Result
++ 	GasLimit uint64
++ }
+```
+
+### `relayer.RelayerClient` interface
+
+```diff
+ type RelayerClient interface {
+- 	SendMetaTxn(ctx context.Context, call *MetaTxn, quote *string, projectID *uint64) (bool, string, error)
++	SendMetaTxn(ctx context.Context, call *MetaTxn, quote *string, projectID *uint64, preconditions []*IntentPrecondition) (bool, string, error)
+ 
+	// ...
+ }
+```