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Fix long string decode #91

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merged 1 commit into from
Jul 15, 2020
Merged

Fix long string decode #91

merged 1 commit into from
Jul 15, 2020
+38 −9

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wemeetagain
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Fix a few edge-cases in decoding long strings that previously could cause OOM crash.
Found investigating ChainSafe/discv5#64

@ryanio
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ryanio commented Jul 12, 2020

thanks @wemeetagain, this looks great.

i noticed the coverage step was failing to push to coveralls due to:

[error] "2020-07-10T20:06:25.737Z"  'error from getOptions'
##[error]Error: Command failed: git cat-file -p 3ebc75f2f9e2e2368d93fd9c4d671536713be8de
fatal: Not a valid object name 3ebc75f2f9e2e2368d93fd9c4d671536713be8de

which I actually just ran into at web3.js a few days ago. the solution was to update actions/checkout to v2 (see here for more). i opened #92 to fix.

@holgerd77
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Thanks @wemeetagain, I have merged in #92, this would need a branch update/rebase here for CI to re-run, don't have the permissions to trigger myself.

@holgerd77
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(please give an explicit comment statement once you have done, these branch updates always tends to get lost/overlooked otherwise)

@wemeetagain
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Rebased off latest!

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Coverage Status

Coverage increased (+0.3%) to 90.598% when pulling 4d30598 on ChainSafe:fix-long-string-decode into a3e2f2e on ethereumjs:master.

ryanio
ryanio reviewed Jul 14, 2020
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test/dataTypes.spec.ts
@@ -5,15 +5,36 @@ const BN = require('bn.js')
const Buffer = require('buffer').Buffer // needed for karma

describe('invalid rlps', function() {
it('should not crash on an invalid rlp', function() {
const errCases = [
// prettier-ignore
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👀 oh that's neat

ryanio
ryanio approved these changes Jul 14, 2020
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Lgtm!

@holgerd77 holgerd77 merged commit 8015e24 into ethereumjs:master Jul 15, 2020
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@wemeetagain thanks for fixing, will directly prepare a release.

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@wemeetagain @ryanio @holgerd77 @coveralls