#10 v2.0.0

This is a proposal to do a software upgrade to the v2.0.0 software tag of the Archway codebase on block height `525000`, which is estimated to occur on `Aug 8th 2023, 13:34 UTC`. Block times have high variance, so please monitor the chain for more precise time estimates.\n\n# Upgrade Features\n\nThis upgrade adds the following features:\n\n## [Enables ICA Host](https://github.com/archway-network/archway/pull/416)\n\nThe following messages are now allowed to be performed on chain by Interchain Accounts with Archway as the host chain. \n- `banktypes.MsgSend`\n- `banktypes.MsgMultiSend`\n- `stakingtypes.MsgDelegate`\n- `stakingtypes.MsgUndelegate`\n- `stakingtypes.MsgBeginRedelegate`\n- `stakingtypes.MsgCreateValidator`\n- `stakingtypes.MsgEditValidator`\n- `distrtypes.MsgWithdrawDelegatorReward`\n- `distrtypes.MsgSetWithdrawAddress`\n- `distrtypes.MsgWithdrawValidatorCommission`\n- `distrtypes.MsgFundCommunityPool`\n- `govtypes.MsgVote`\n- `govtypes.MsgVoteWeighted`\n\n## Quality of Life Changes\n\n**[Prevent misconfiguration of Contract Premiums](https://github.com/archway-network/archway/pull/414)** \nContract Premiums cannot be set when a contract does not have rewards address configured. \n\n**[Fixing Authz msg decoding](https://github.com/archway-network/archway/pull/418)** \nAntehandler paniced when transactions had an authz.MsgExec msg in them due to incorrect decoding. \n\nSee the [Full Change Log](https://github.com/archway-network/archway/blob/v2.0.0/CHANGELOG.md) here.\n\n\n# Details of Upgrade Time\n\nThe proposal targets the upgrade proposal block to be `525000`, anticipated to be on `Aug 8th 2023, 13:34 UTC`. Note that block times have high variance, so keep monitoring the time. See countdown [here](https://www.mintscan.io/archway/blocks/525000).\n\nIn the event of an issue at upgrade time, we should coordinate via the [#mainnet-validators](https://discord.com/channels/892203409418092615/1077414874042355852) channel in Discord to come to a quick emergency consensus and mitigate any further issues.\n\n# Upgrade Instructions\n\nRecommended Go version: 1.19\n\nYou can find more details on how to upgrade your node [here](https://docs.archway.io/validators/becoming-a-validator/chain-upgrade).\n