I hereby claim:
- I am tcoulter on github.
- I am tcoulter (https://keybase.io/tcoulter) on keybase.
- I have a public key whose fingerprint is 95FE 0223 BC6D C1A5 1F70 31F2 6743 D44B B5B3 9962
To claim this, I am signing this object:
Tim Coulter tcoulter
tcoulter
/ fmulfdiv.sol
Created
October 20, 2021 06:07
Sweet sweet overflow protection in Yul (almost assembly)
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // SPDX-License-Identifier: GPL-3.0 | |
| pragma solidity >=0.7.0 <0.9.0; | |
| contract Test { | |
| function fmul( | |
| uint256 x, | |
| uint256 y, | |
| uint256 baseUnit | |
| ) public pure returns (uint256 z) { |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| // SPDX-License-Identifier: GPL-3.0 | |
| pragma solidity >=0.7.0 <0.9.0; | |
| contract Test { | |
| function fmul( | |
| uint256 x, | |
| uint256 y, | |
| uint256 baseUnit | |
| ) public pure returns (uint256 z) { |
tcoulter
/ keybase.md
Created
December 13, 2016 22:50
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| * Micheal Jackson / Jackson 5 | |
| * Cake by the Ocean - SWAAY | |
| * Timberlake | |
| * Signed, Sealed, Delivered, I'm yours - Stevie Wonder | |
| * Classic - MKTO | |
| * Shake It Off - Tay Tay | |
| * Love you like a love song - Selena Gomez | |
| * Somebody To Love - Queen | |
| * Somewhere over the rainbow - Israel K. | |
| * Call Me Maybe - CRJ |
tcoulter
/ gist:e27a9818907e78bfe482
Created
July 24, 2015 21:48
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| I0724 14:13:28.503609 32419 worker.go:503] commit new work on block 980702 with 43 txs & 0 uncles. Took 1.898667859s | |
| I0724 14:13:31.576241 32419 chain_manager.go:656] imported 1 block(s) (0 queued 0 ignored) including 43 txs in 1.30471223s. #980702 [24108463 / 24108463] | |
| I0724 14:13:31.580755 32419 chain_manager.go:656] imported 0 block(s) (0 queued 1 ignored) including 0 txs in 4.446447ms. #980701 [fd705139 / fd705139] | |
| I0724 14:13:31.982940 32419 worker.go:503] commit new work on block 980703 with 32 txs & 0 uncles. Took 406.54895ms | |
| I0724 14:13:39.630266 32419 chain_manager.go:656] imported 0 block(s) (0 queued 1 ignored) including 0 txs in 7.604206ms. #980702 [24108463 / 24108463] | |
| I0724 14:13:47.319476 32419 chain_manager.go:656] imported 1 block(s) (0 queued 0 ignored) including 35 txs in 1.152045376s. #980703 [60b79085 / 60b79085] | |
| I0724 14:13:47.323508 32419 chain_manager.go:656] imported 0 block(s) (0 queued 1 ignored) including 0 txs in 3.984976ms. #980702 [24108463 / 24108463] | |
| I0724 14:13: |
tcoulter
/ gist:cd80e5ca6d928c0e86a7
Created
July 24, 2015 04:54
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| I0723 21:16:54.163520 12805 chain_manager.go:656] imported 1 block(s) (0 queued 0 ignored) including 0 txs in 4.986954ms. #975229 [616acd42 / 616acd42] | |
| I0723 21:16:54.169712 12805 worker.go:503] commit new work on block 975230 with 0 txs & 0 uncles. Took 6.032478ms | |
| I0723 21:16:54.793651 12805 chain_manager.go:656] imported 0 block(s) (0 queued 2 ignored) including 0 txs in 6.315455ms. #975229 [ea6fafde / 616acd42] | |
| I0723 21:17:06.575332 12805 chain_manager.go:656] imported 1 block(s) (0 queued 0 ignored) including 0 txs in 5.714357ms. #975230 [0c2bcff1 / 0c2bcff1] | |
| I0723 21:17:06.750051 12805 worker.go:503] commit new work on block 975231 with 15 txs & 0 uncles. Took 174.586859ms | |
| I0723 21:17:07.379859 12805 chain_manager.go:656] imported 0 block(s) (0 queued 2 ignored) including 0 txs in 4.999469ms. #975230 [616acd42 / 0c2bcff1] | |
| I0723 21:17:27.861276 12805 chain_manager.go:656] imported 1 block(s) (0 queued 0 ignored) including 17 txs in 226.932169ms. #975231 [42fca884 / 42fca884] | |
| I0723 21:17:27.8 |
tcoulter
/ gist:c81458cfe25fb38586b5
Created
July 22, 2015 21:12
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| desktop@steamos:~$ ./mygeth | |
| I0722 13:58:38.162138 10855 backend.go:288] Protocol Versions: [61 60], Network Id: 0 | |
| I0722 13:58:38.167376 10855 backend.go:317] Blockchain DB Version: 3 | |
| I0722 13:58:38.174356 10855 chain_manager.go:257] Last block (#962262) 8aa576760b3353f2f295b8f7b77b6bdb19263281cf200ae2d1d1e80147cef4ac TD=9980022322110980 | |
| I0722 13:58:39.330708 10855 cmd.go:122] Starting Geth/v0.9.39/linux/go1.4.2 | |
| I0722 13:58:39.330985 10855 server.go:311] Starting Server | |
| I0722 13:58:40.197929 10855 udp.go:205] Listening, enode://db4a0c2622f93c6ccd246a118cf668afa8fa6c71608dec9d321fe3f77bdd5ec919e93ba2df41f0adc9a1906c0d2a98796a0380ec22da42659b2ed3a2c4ab22ae@50.136.197.236:30303 | |
| I0722 13:58:40.200362 10855 backend.go:542] Server started | |
| Unlocking account 0 | Attempt 1/3 | |
| Passphrase: I0722 13:58:40.200931 10855 server.go:548] Listening on [::]:30303 |
tcoulter
/ gist:04b5afe44585dfcf245d
Created
July 22, 2015 17:14
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| desktop@steamos:~/workspace/godev/src/github.com/ethereum/go-ethereum$ ~/mygeth | |
| I0722 10:06:09.229737 30695 backend.go:288] Protocol Versions: [61 60], Network Id: 0 | |
| I0722 10:06:09.231227 30695 backend.go:317] Blockchain DB Version: 3 | |
| I0722 10:06:09.236881 30695 chain_manager.go:257] Last block (#960903) cf51c99a37cb9a6d5b46e6c00eaa64403a9fa291b14861dc6ac08f71f9d7b3e7 TD=9958129842950075 | |
| I0722 10:06:09.544340 30695 cmd.go:122] Starting Geth/v0.9.39/linux/go1.4.2 | |
| I0722 10:06:09.544598 30695 server.go:311] Starting Server | |
| I0722 10:06:09.786974 30695 udp.go:205] Listening, enode://db4a0c2622f93c6ccd246a118cf668afa8fa6c71608dec9d321fe3f77bdd5ec919e93ba2df41f0adc9a1906c0d2a98796a0380ec22da42659b2ed3a2c4ab22ae@50.136.197.236:30303 | |
| I0722 10:06:09.787374 30695 server.go:548] Listening on [::]:30303 | |
| I0722 10:06:09.788427 30695 backend.go:542] Server started | |
| Unlocking account 0 | Attempt 1/3 |
tcoulter
/ gist:257e4d00f14b7b193798
Created
July 22, 2015 17:07
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| desktop@steamos:~/workspace/godev/src/github.com/ethereum/go-ethereum$ ~/mygeth | |
| I0722 10:06:09.229737 30695 backend.go:288] Protocol Versions: [61 60], Network Id: 0 | |
| I0722 10:06:09.231227 30695 backend.go:317] Blockchain DB Version: 3 | |
| I0722 10:06:09.236881 30695 chain_manager.go:257] Last block (#960903) cf51c99a37cb9a6d5b46e6c00eaa64403a9fa291b14861dc6ac08f71f9d7b3e7 TD=9958129842950075 | |
| I0722 10:06:09.544340 30695 cmd.go:122] Starting Geth/v0.9.39/linux/go1.4.2 | |
| I0722 10:06:09.544598 30695 server.go:311] Starting Server | |
| I0722 10:06:09.786974 30695 udp.go:205] Listening, enode://db4a0c2622f93c6ccd246a118cf668afa8fa6c71608dec9d321fe3f77bdd5ec919e93ba2df41f0adc9a1906c0d2a98796a0380ec22da42659b2ed3a2c4ab22ae@50.136.197.236:30303 | |
| I0722 10:06:09.787374 30695 server.go:548] Listening on [::]:30303 | |
| I0722 10:06:09.788427 30695 backend.go:542] Server started | |
| Unlocking account 0 | Attempt 1/3 |
tcoulter
/ gist:66dfb2dfe786b4bf776f
Created
July 22, 2015 16:23
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| I0722 09:02:11.036811 21265 chain_manager.go:678] imported 1 block(s) (0 queued 0 ignored) including 99 txs in 654.075541ms. #960901 [1d87fcff / 1d87fcff] | |
| I0722 09:02:11.041045 21265 chain_manager.go:678] imported 0 block(s) (0 queued 1 ignored) including 0 txs in 4.122032ms. #960900 [8b14875b / 8b14875b] | |
| I0722 09:02:11.107641 21265 worker.go:503] commit new work on block 960902 with 28 txs & 1 uncles. Took 69.535098ms | |
| I0722 09:02:11.606881 21265 chain_manager.go:678] imported 1 block(s) (0 queued 0 ignored) including 99 txs in 565.775408ms. #960901 [363dabc5 / 363dabc5] | |
| I0722 09:02:12.055733 21265 chain_manager.go:678] imported 1 block(s) (0 queued 0 ignored) including 10 txs in 40.586279ms. #960902 [c21f6cfe / c21f6cfe] | |
| I0722 09:02:12.068629 21265 chain_manager.go:678] imported 0 block(s) (0 queued 1 ignored) including 0 txs in 12.83329ms. #960900 [8b14875b / 8b14875b] | |
| I0722 09:02:12.083467 21265 worker.go:503] commit new work on block 960903 with 18 txs & 1 uncles. Took 14.895461ms | |
| I0722 09:0 |
NewerOlder