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- Add Solana chain config, program IDs, and PDAs - Add Solana wallet connection (Phantom/Solflare) - Add EVM→Solana intent construction with Solana output recipient - Add Solana token balance fetching - Add bigint-safe order serialization for DB storage - Add input_settler_escrow ABI - Add Solana address utilities and unit tests
Adds Solana-aware orderId computation and token address handling to intentList so EVM→Solana orders (and any previously stored Solana→EVM orders) display without crashing.
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… unused dep - Require non-empty valid Base58 address before Solana output can be submitted - Extract SOLANA_DEVNET_RPC / SOLANA_MAINNET_RPC as named constants - Add AbortSignal timeout (10 s) to getSolanaBalance RPC calls; return null on error so callers can distinguish 'zero balance' from 'RPC unavailable' - Fix allowance-skip: EVM inputs always need allowance even when hasSolanaOutput - Replace null-as-unknown-as-string for undeployed mainnet program IDs with typed null + requireSolanaProgram() runtime guard that throws a clear message - Replace inline dynamic import type in intentList.ts with top-level import type - Replace manual hex→Uint8Array loop with Buffer.from(hex, 'hex') - Drop unused @solana/spl-token dependency — token balances are fetched directly via connection.getParsedTokenAccountsByOwner() from @solana/web3.js; removing it eliminates the bigint-buffer@1.1.5 (CVE-2025-3194) transitive dep entirely - Update .claude/CLAUDE.md PDA values to match catalyst-intent-svm test fixtures
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Solana chain outputs cannot be queried or filled via an EVM client. Filter them out of the fill-status effect and show a static disabled Fill button so the UI does not throw or log warnings.
6 tasks
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Summary
Closes V2-111.
Enables users to issue intents from an EVM chain with Solana as the output chain. The user connects their EVM wallet as usual and optionally a Solana wallet to receive the output. No Solana signing is required for issuance.
What's included
Solana wallet connection
SolanaWalletButtoncomponent supporting Phantom and Solflare via wallet-adapterSolanaWalletStoreSvelte 5 class-based store managing connect/disconnect stateChain & token config
solanaDevnetandsolanaMainnetchain definitions with RPC constantsSOLANA_OUTPUT_SETTLER_PDA,POLYMER_ORACLE, etc.)coinListfor both devnet and mainnetIntent construction
intentFactory.openIntentpassesoutputRecipient(Solana bytes32 address) andchainNamespace: "solana"when building EVM→Solana intentsIssueIntentshows a Solana recipient field when any output token is on Solana — empty field correctly disables the submit buttonBalance & display
getSolanaBalancefetches native SOL and SPL token balances via@solana/web3.jsInputTokenModalfilters and displays Solana tokens correctlyintentListhandles Solana order types without crashing (32-byte token addresses, Solana-origin order IDs)Infrastructure
serializeOrder/deserializeOrderfor DB storage (PGLite doesn't survive nativeJSON.stringifyof bigints)solanaAddressToBytes32andisValidSolanaAddressutilitiesvite-plugin-node-polyfillsfor@solana/web3.jsbrowser compatibilityinput_settler_escrowABI addedAlso closes
Test plan
bun test—solanaUtilsandorderSerializationunit tests passbun run check— no TypeScript errorsExpected output
Screen.Recording.2026-04-05.at.9.36.42.PM.mov