fix: reverse events to have consistent order #87
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- parsing through events from latest to earliest - reverse events as json rpc returns one batch of events from earliest to latest - see decentralized-identity#86 (comment) for more details
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Would be nice to have a test for that, do you mind writing one? |
I agree that a test would be good. But as the events are currently fetched for exactly one block the fault will not result in a visible error and thus it's hard to write a test for the current implementation. To test it right now one would need to make sure that e.g. adding a service and revoking it happens in one block. Can we guarantee that if we submit the transactions at the same time or at least one right after the other, A) both transactions are in the same block and B) adding a service really happened before revoking it (i.e. by transaction number in the block)? It would be easier to test if the events are not fetched block-by-block but rather in batches. |
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Nevermind, I saw that it's possible to stop mining for a moment and resume after the transactions are created. I added a corresponding test where an attribute is added and revoked directly afterwards in the same block. That fails if the event order is (partially) reversed because then the revocation will be processed before the attribute is added. Now with the reversed order it works. |
PeterTheOne
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## [3.0.1](3.0.0...3.0.1) (2020-11-09) ### Bug Fixes * reverse events to have consistent order ([#87](#87)) ([08b9692](08b9692)), closes [/github.com//issues/86#issuecomment-699961595](https://github.com//github.com/decentralized-identity/ethr-did-resolver/issues/86/issues/issuecomment-699961595)
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🎉 This PR is included in version 3.0.1 🎉 The release is available on: Your semantic-release bot 📦🚀 |
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# 1.0.0 (2022-07-10) ### Bug Fixes * change 'owner' to 'controller' to follow W3C Spec ([decentralized-identity#75](https://github.com/veramolabs/ens-did-resolver/issues/75)) ([decentralized-identity#81](https://github.com/veramolabs/ens-did-resolver/issues/81)) ([af37b3f](af37b3f)) * ignore query string when interpreting identifiers ([decentralized-identity#123](https://github.com/veramolabs/ens-did-resolver/issues/123)) ([5508f8a](5508f8a)), closes [decentralized-identity#122](https://github.com/veramolabs/ens-did-resolver/issues/122) * maintenance of dependencies, bots and build scripts ([decentralized-identity#136](https://github.com/veramolabs/ens-did-resolver/issues/136)) ([0d3fcf7](0d3fcf7)) * remove unused dependency ([#4](#4)) ([a97c826](a97c826)) * removed redundant code ([ca4d101](ca4d101)) * reverse events to have consistent order ([decentralized-identity#87](https://github.com/veramolabs/ens-did-resolver/issues/87)) ([08b9692](08b9692)), closes [/github.com/decentralized-identity/issues/86#issuecomment-699961595](https://github.com//github.com/decentralized-identity/ethr-did-resolver/issues/86/issues/issuecomment-699961595) * strip milliseconds from dateTime strings ([decentralized-identity#129](https://github.com/veramolabs/ens-did-resolver/issues/129)) ([3e958af](3e958af)), closes [decentralized-identity#126](https://github.com/veramolabs/ens-did-resolver/issues/126) * use rpcUrl in controller config ([decentralized-identity#128](https://github.com/veramolabs/ens-did-resolver/issues/128)) ([5302536](5302536)), closes [decentralized-identity#127](https://github.com/veramolabs/ens-did-resolver/issues/127) * **deps:** update dependency buffer to v6 ([decentralized-identity#93](https://github.com/veramolabs/ens-did-resolver/issues/93)) ([e1dc861](e1dc861)) * **deps:** update dependency did-resolver to v1.1.0 ([ab47058](ab47058)) * **deps:** update dependency did-resolver to v2 ([decentralized-identity#68](https://github.com/veramolabs/ens-did-resolver/issues/68)) ([831ec17](831ec17)) * **deps:** update dependency did-resolver to v2.1.0 ([b26d387](b26d387)) * **deps:** update dependency did-resolver to v2.1.1 ([1a4cbca](1a4cbca)) * **deps:** update dependency did-resolver to v2.1.2 ([8c2294e](8c2294e)) * **deps:** update dependency ethjs-contract to ^0.2.0 ([b667ce6](b667ce6)) * **deps:** use Resolvable type from did-resolver ([d213ae6](d213ae6)) * **types:** simplify type exports ([decentralized-identity#101](https://github.com/veramolabs/ens-did-resolver/issues/101)) ([90ca9b5](90ca9b5)) * remove ejs module distribution ([780ec08](780ec08)), closes [decentralized-identity#39](https://github.com/veramolabs/ens-did-resolver/issues/39) * require a configuration to be used when initializing the resolver ([3adc029](3adc029)) ### Features * add `assertionMethod` by default to didDocument ([decentralized-identity#124](https://github.com/veramolabs/ens-did-resolver/issues/124)) ([11b2096](11b2096)), closes [decentralized-identity#117](https://github.com/veramolabs/ens-did-resolver/issues/117) [decentralized-identity#115](https://github.com/veramolabs/ens-did-resolver/issues/115) * add ability to use a compressed publicKey as identifier ([decentralized-identity#73](https://github.com/veramolabs/ens-did-resolver/issues/73)) ([e257eb3](e257eb3)), closes [decentralized-identity#56](https://github.com/veramolabs/ens-did-resolver/issues/56) * add encryption key support for ethr-did-documents ([dff7b0f](dff7b0f)), closes [decentralized-identity#52](https://github.com/veramolabs/ens-did-resolver/issues/52) * add encryption key support for ethr-did-documents ([2f5825c](2f5825c)), closes [decentralized-identity#52](https://github.com/veramolabs/ens-did-resolver/issues/52) * Add types declaration stubb ([05944b1](05944b1)) * export `EthrDidController` helper class ([decentralized-identity#120](https://github.com/veramolabs/ens-did-resolver/issues/120)) ([745100d](745100d)) * import instead of require networks.json ([50c0832](50c0832)) * Initial version ([#1](#1)) ([d7a3cf8](d7a3cf8)) * upgrade to latest did core spec ([decentralized-identity#99](https://github.com/veramolabs/ens-did-resolver/issues/99)) ([decentralized-identity#109](https://github.com/veramolabs/ens-did-resolver/issues/109)) ([d46eea3](d46eea3)), closes [decentralized-identity#105](https://github.com/veramolabs/ens-did-resolver/issues/105) [decentralized-identity#95](https://github.com/veramolabs/ens-did-resolver/issues/95) [decentralized-identity#106](https://github.com/veramolabs/ens-did-resolver/issues/106) [decentralized-identity#83](https://github.com/veramolabs/ens-did-resolver/issues/83) [decentralized-identity#85](https://github.com/veramolabs/ens-did-resolver/issues/85) [decentralized-identity#83](https://github.com/veramolabs/ens-did-resolver/issues/83) [decentralized-identity#85](https://github.com/veramolabs/ens-did-resolver/issues/85) [decentralized-identity#95](https://github.com/veramolabs/ens-did-resolver/issues/95) [decentralized-identity#105](https://github.com/veramolabs/ens-did-resolver/issues/105) [decentralized-identity#106](https://github.com/veramolabs/ens-did-resolver/issues/106) * upgrade to latest did core spec ([decentralized-identity#99](https://github.com/veramolabs/ens-did-resolver/issues/99)) ([decentralized-identity#109](https://github.com/veramolabs/ens-did-resolver/issues/109)) ([decentralized-identity#111](https://github.com/veramolabs/ens-did-resolver/issues/111)) ([2a023b1](2a023b1)), closes [decentralized-identity#105](https://github.com/veramolabs/ens-did-resolver/issues/105) [decentralized-identity#95](https://github.com/veramolabs/ens-did-resolver/issues/95) [decentralized-identity#106](https://github.com/veramolabs/ens-did-resolver/issues/106) [decentralized-identity#83](https://github.com/veramolabs/ens-did-resolver/issues/83) [decentralized-identity#85](https://github.com/veramolabs/ens-did-resolver/issues/85) [decentralized-identity#83](https://github.com/veramolabs/ens-did-resolver/issues/83) [decentralized-identity#85](https://github.com/veramolabs/ens-did-resolver/issues/85) [decentralized-identity#95](https://github.com/veramolabs/ens-did-resolver/issues/95) [decentralized-identity#105](https://github.com/veramolabs/ens-did-resolver/issues/105) [decentralized-identity#106](https://github.com/veramolabs/ens-did-resolver/issues/106) * use only named exports ([decentralized-identity#31](https://github.com/veramolabs/ens-did-resolver/issues/31)) ([a558e14](a558e14)) * versioning ([decentralized-identity#121](https://github.com/veramolabs/ens-did-resolver/issues/121)) ([b794d69](b794d69)), closes [decentralized-identity#119](https://github.com/veramolabs/ens-did-resolver/issues/119) [decentralized-identity#118](https://github.com/veramolabs/ens-did-resolver/issues/118) [decentralized-identity#119](https://github.com/veramolabs/ens-did-resolver/issues/119) [decentralized-identity#118](https://github.com/veramolabs/ens-did-resolver/issues/118) ### BREAKING CHANGES * The return type is `DIDResolutionResult` which wraps a `DIDDocument`. * No errors are thrown during DID resolution. Please check `result.didResolutionMetadata.error` instead. * This DID core spec requirement will break for users expecting `publicKey`, `ethereumAddress`, `Secp256k1VerificationKey2018` entries in the DID document. They are replaced with `verificationMethod`, `blockchainAccountId` and `EcdsaSecp256k1VerificationKey2019` and `EcdsaSecp256k1RecoveryMethod2020` depending on the content. * JWTs that refer to the `did:ethr:...#owner` key in their header may be considered invalid after this upgrade, as the key id is now `did:ethr:...#controller` * this removes the fallback hardcoded RPC URLs and will fail early when a wrong configuration (or none) is provided to `getResolver()`
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Currently there is probably no failure/error as only events from one block are fetched. Even if there are multiple events in one block they'll most likely not interfere with each other.