Rango: Add Sui support

[j0ntz]

CHANGELOG

Does this branch warrant an entry to the CHANGELOG?

• Yes
• No

Dependencies

none

Description

Initial commit is identical to an external contribution: #406

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Note

Medium Risk
Adds a new chain-specific transaction path (SUI) and changes how swap orders are constructed, which could affect swap execution/metadata across providers if the new parsing or shared return structure is incorrect.

Overview
Adds SUI support to the Rango DEX plugin by accepting tx.type: 'SUI' responses, decoding unsignedPtbBase64, and returning a MakeTx-based swap order with standard swap metadata.

Refactors swap-order construction to share common fields (swapOrderBase) and reuse it across EVM/Solana/Cosmos/Sui flows, while preserving the existing spendInfo vs makeTxParams behavior. Updates the CHANGELOG Unreleased section to note Rango SUI support.

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