💥 Switch to MultiLocation in the SignedExtension

[JuaniRios]

What?

• Make our Asset fee-paying Signed Extension compatible with @polkadot/api JS packages.

Why?

• The @polkadot/api JS packages work better if the assetId is a MultiLocation/Location, so our initial u32 based solution didn't work

How?

• Make the signed extension accept a xcm::v3::MultiLocation, and convert it internally to a u32.

[JuaniRios]

• 💥 Switch to MultiLocation in the SignedExtension #406 : 2 dependent PRs (#407 , #408 ) 👈
• ✅ New e2e tests #405
• 🧪 Test USDT transaction payment #404
• 💸 USDT transaction payments #403
• 🧪 One Token Model - Pallet Funding Tests #402
• 🤝 One Token Model - Pallet Funding Integration #401
• 1️⃣ One Token Model - New Pallet Proxy Bonding #399
• main

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Graphite Automations

"Auto-assign PRs to author" took an action on this PR • (10/08/24)

1 assignee was added to this PR based on Juan Ignacio Rios's automation.

After a cargo clean (even if I tested it using srtool), it doesn't compile. On it.

[JuaniRios]

Merge activity

• Oct 10, 10:08 AM EDT: A user started a stack merge that includes this pull request via Graphite.
• Oct 10, 10:25 AM EDT: Graphite rebased this pull request as part of a merge.
• Oct 10, 10:26 AM EDT: A user merged this pull request with Graphite.