mUSD contract upgrade history

This information on mUSD contract upgrades is on the blockchain but can be a little tricky to extract so I’ll post here.

mUSD proxy 0xe2f2a5C287993345a840Db3B0845fbC70f5935a5

Deployed in block 10148032 with 0xcc9d4fb276be053d1780f897d67a8ce65118db38936da7d05ff198dc94a29ccf

Initialized in block 10148035
to 0xB83A5a51df21321b365c918832E7E8f5DE686f7E
with tx 0xae01547cbe801065a5fd0104c8379eaf6d2429ae7926a59247f42d424d906442

Upgraded in block 10463013
to 0xE4c5b1765BF420016027177289908C5A3Ea7668E
with tx 0x872bdf3b6fe56cd06718e9eb09e83641d2d609075a2c7ff29ce9853d1f69190a

Upgraded in block 11516027
to 0xE0d0D052d5B1082E52C6b8422Acd23415c3DF1c4
with tx 0x9ffec5566d6694f03a2f7990930ed11d38c2e99fdb120e056370f678ee99e525

Upgraded in block 12094376
to 0x15B2838Cd28cc353Afbe59385db3F366D8945AEe
with tx 0xcfe2f6a8e1800f6450b64124a0ebbd41c91c293bb1f02c1c20f59e8f01677c72

mUSD bAsset changes in blocks
10148054 added DAI 0x6b175474e89094c44da98b954eedeac495271d0f
10148054 added USDC 0xa0b86991c6218b36c1d19d4a2e9eb0ce3606eb48
10148054 added TUSD 0x0000000000085d4780b73119b644ae5ecd22b376
10148054 added USDT 0xdac17f958d2ee523a2206206994597c13d831ec7
11151228 added sUSD 0x57ab1ec28d129707052df4df418d58a2d46d5f51
11366616 removed DAI 0x6b175474e89094c44da98b954eedeac495271d0f
12094093 removed TUSD 0x0000000000085d4780b73119b644ae5ecd22b376
12083666 added DAI 0x6b175474e89094c44da98b954eedeac495271d0f

bAssets at index by block number
0 DAI < 11366616 sUSD >= 11366616
1 USDC
2 TUSD < 12094093 DAI >= 12094093
3 USDT
4 sUSD >= 11151228 and < 11366616 DAI >= 12083666 and < 12094093

mUSD redemption fee changes
Basis Points, Block Number, Date, Event name
40, 10148035, 27 May 20, initialized
5, 10463070, 15 Jul 20, RedemptionFeeChanged
3, 10689534, 19 Aug 20, RedemptionFeeChanged
3, 12547897, 1 Jun 21, FeesChanged

mUSD swap fees
Basis Points, Block Number, Date, Event name
40, 10148035, 27 May 20, initialized
30, 10153119, 28 Mar 20, SwapFeeChanged
2.5, 10247343, 11 Jun 20, SwapFeeChanged
10, 10315073, 22 Jul 20, SwapFeeChanged
6, 10153119, 19 Aug 20, SwapFeeChanged
2, 12547897, 1 Jun 21, FeesChanged

1 Like