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feat: add blob protocol to infra (#353)
This PR creates stores and wires up new `upload-api` running `blob/add`, `web3.storage/blob/allocate`, `web3.storage/blob/accept` and `ucan/conclude` capabilities. Tests are also imported from `upload-api` implementation and run here. As agreed on storacha/w3up#1343 , there won't be any deduping between old world and new world. Therefore, we have new `allocations` table, and use different key schema in `carpark`. We are writing blobs keyed as `base58btc` as previously discussed as `${base58btcEncodedMultihash}/${base58btcEncodedMultihash}.blob`. I added `.blob` suffix but I am happy to other suggestions. Depending on how we progress with the reads side, we can consider creating a new bucket to fully isolate new content? The `receipts` and `tasks` storage end up being more complicated as they need to follow https://github.com/web3-storage/w3infra/blob/main/docs/ucan-invocation-stream.md#buckets, and is essentially the same as what happens on https://github.com/web3-storage/w3infra/blob/main/upload-api/ucan-invocation.js#L66 but at a different level as this is a proactive write of tasks and receipts.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,46 @@ | ||
| /** | ||
| * @typedef {import('@web3-storage/upload-api/types').TasksScheduler} TasksSchedulerInterface | ||
| * @typedef {import('@web3-storage/upload-api/types').Service} Service | ||
| * @typedef {import('@ucanto/interface').ConnectionView<Service>} Connection | ||
| * @typedef {import('@ucanto/interface').ServiceInvocation} ServiceInvocation | ||
| * @typedef {import('@ucanto/interface').Failure} Failure | ||
| * @typedef {import('@ucanto/interface').Unit} Unit | ||
| * @typedef {import('@ucanto/interface').Result<Unit, Failure>} Result | ||
| */ | ||
|
|
||
| /** | ||
| * @param {() => Connection} getServiceConnection | ||
| */ | ||
| export const createTasksScheduler = (getServiceConnection) => new TasksScheduler(getServiceConnection) | ||
|
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||
| /** | ||
| * @implements {TasksSchedulerInterface} | ||
| */ | ||
| export class TasksScheduler { | ||
| /** | ||
| * | ||
| * @param {() => Connection} getServiceConnection | ||
| */ | ||
| constructor (getServiceConnection) { | ||
| this.getServiceConnection = getServiceConnection | ||
| } | ||
|
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| /** | ||
| * @param {ServiceInvocation} invocation | ||
| * @returns {Promise<Result>} | ||
| */ | ||
| async schedule(invocation) { | ||
| const connection = this.getServiceConnection() | ||
| // This performs a HTTP Request to the Service URL. | ||
| // upload-api service URL stores received invocations and produced | ||
| // receipts on the server. | ||
| const [res] = await connection.execute(invocation) | ||
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||
| if (res.out.error) { | ||
| return res.out | ||
| } | ||
| return { | ||
| ok: {}, | ||
| } | ||
| } | ||
| } |
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