Benjamin Levesque

feat: add extension data at request creation

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This enables creating a request with payee/payer delegates, instead of adding them after creation

This change allows 2 things: - using more specific types, like `ERC20Currency`: ```ts const method = (c: ERC20Currency) => c; if (curr.type === 'ERC20') { method(curr); } ``` - simplify...

chore: use ethers for ethereum-storage

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Motivations - `ethers` is used everywhere in the codebase - web3 causes the node to crash if connection breaks - types and code readability Additionally, this allows to remove hd-wallet-provider...

chore: Enums to Unions

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Unions are more powerful than enums in TS. To avoid breaking changes, we keep the export of the former enums as variables. Recommended reading (and inspiration): https://rlee.dev/writing/stop-misusing-typescript-string-enums

- chore: Enums to Unions - fix lint & tests - fix build - chore: improve PN types - fix tests - chore: improve extension types

chore: improve PN types

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Strongly typing the Payment Network types will give type checking and autocompletion. The changes of this PR include some issues that were detected thanks to the strong typing