Added

• Enabled XCC for mainnet release by @birchmd. (#694)
• Added set_owner contract method which sets the owner of the contract by @hskang9. ([#690])
• New variant of submit function submit_with_args which accepts additional arguments along with the transaction such as the max gas price a user is ready to pay by @aleksuss. (#696)
• Added the ability to create and fund XCC sub-accounts from external NEAR accounts by @birchmd. (#735)

Changes

• Replaced rjson with serde_json by @aleksuss. (#677)
• Changed owner intended contract methods to now require owner or the contract itself by @hskang9. (#676)

Fixes

• Fixed nonce incorrectly being incremented on an out of fund failure by @joshuajbouw. (#671)
• Fixed a check in promise results before executing cross contract calls (XCC) callbacks by @birchmd. (#693)
• Fixed a reachable panic in receive_erc20_tokens by @0x3bfc. (#709)
• Fixed a lack of minimum size checks when instantiating a new EthGas object by @lempire123. (#722)
• Fixed a lack of division by 0 checks in EthGas::Div() by @lempire123. (#718)
• Fixed the validation of the return of exports:storage_remove by @0x3bfc. (#712)
• Fixed missing account validations of NEAR account IDs by @0x3bfc. (#703)
• Fixed a reachable panic in the exitToNear and exitToEthereum precompiles if the input amount is greater than 1^128 when cast from a U256 to u128 by @0x3bfc. (#681)
• Fixed a reachable panic in modExp due to arithmetic overflow by @0x3bfc. (#688)
• Fixed the ability attaching values to Aurora specific precompiles, this no longer is possible, by @0x3bfc. (#714)
• Fixed a return error if an ecrecover signature length is not exactly 65 by @0x3bfc. (#717)
• Fixed size checks on input array passed to exitToNear and exitToEthereum precompiles by @0x3bfc. (#684)
• Fixed missing gas costs in exitToNear and exitToEthereum precompiles by @lempire123. (#687)
• Fixed a reachable panic due to out of memory in the modExp precompile by @0x3bfc. (#689)
• Fixed an assurance that the sender_id has a balance greater than the amount in ft_transfer_call by @0x3bfc. (#708)
• Fixed returning 0x when a length cannot be cast as usize instead of returning an error in the modExp precompile by @birchmd. (#737)
• Miscellaneous minor fixes by @0x3bfc. (#738)