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Add addresses 1.5.0 for chains BASE, MANTLE_SEPOLIA_TESTNET and MEGAETH_MAINNET - #2695

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Moisés (moisses89) merged 1 commit into
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moisesf/pla-1860-add-missing-safe-150-addresses-base-mantle-sepolia-megaeth
Aug 10, 2026
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Add addresses 1.5.0 for chains BASE, MANTLE_SEPOLIA_TESTNET and MEGAETH_MAINNET#2695
Moisés (moisses89) merged 1 commit into
mainfrom
moisesf/pla-1860-add-missing-safe-150-addresses-base-mantle-sepolia-megaeth

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Summary

Add missing Safe v1.5.0 deployment addresses for:

  • Base (8453)
  • Mantle Sepolia Testnet (5003)
  • MegaETH Mainnet (4326)

Updates MASTER_COPIES (Safe + SafeL2) and PROXY_FACTORIES (SafeProxyFactory) in safe_eth/safe/addresses.py. All three chains use the canonical CREATE2 addresses deployed via the Safe Singleton Factory (0x914d7Fec6aaC8cd542e72Bca78B30650d45643d7), consistent with every other supported network. Each block number was independently verified via RPC (eth_getCode diff immediately before/after the block).

Addresses added

Chain Contract Version Address Block Creation Tx
Base (8453) Safe 1.5.0 0xFf51A5898e281Db6DfC7855790607438dF2ca44b 34415958 basescan.org
Base (8453) SafeL2 1.5.0+L2 0xEdd160fEBBD92E350D4D398fb636302fccd67C7e 39121079 basescan.org
Base (8453) SafeProxyFactory 1.5.0 0x14F2982D601c9458F93bd70B218933A6f8165e7b 34415957 basescan.org
Mantle Sepolia Testnet (5003) Safe 1.5.0 0xFf51A5898e281Db6DfC7855790607438dF2ca44b 27044294 sepolia.mantlescan.xyz
Mantle Sepolia Testnet (5003) SafeL2 1.5.0+L2 0xEdd160fEBBD92E350D4D398fb636302fccd67C7e 34714047 sepolia.mantlescan.xyz
Mantle Sepolia Testnet (5003) SafeProxyFactory 1.5.0 0x14F2982D601c9458F93bd70B218933A6f8165e7b 27044215 sepolia.mantlescan.xyz
MegaETH Mainnet (4326) Safe 1.5.0 0xFf51A5898e281Db6DfC7855790607438dF2ca44b 331689 megaeth.blockscout.com
MegaETH Mainnet (4326) SafeL2 1.5.0+L2 0xEdd160fEBBD92E350D4D398fb636302fccd67C7e 331693 megaeth.blockscout.com
MegaETH Mainnet (4326) SafeProxyFactory 1.5.0 0x14F2982D601c9458F93bd70B218933A6f8165e7b 331685 megaeth.blockscout.com

Closes PLA-1860

@moisses89
Moisés (moisses89) requested a review from a team as a code owner August 10, 2026 14:24
@moisses89
Moisés (moisses89) merged commit fa4bdb1 into main Aug 10, 2026
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@moisses89
Moisés (moisses89) deleted the moisesf/pla-1860-add-missing-safe-150-addresses-base-mantle-sepolia-megaeth branch August 10, 2026 14:50
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2 participants