diff --git a/cre/capabilities/blockchain/aptos/v1alpha/client.proto b/cre/capabilities/blockchain/aptos/v1alpha/client.proto
index bd3f2003..4eab040e 100644
--- a/cre/capabilities/blockchain/aptos/v1alpha/client.proto
+++ b/cre/capabilities/blockchain/aptos/v1alpha/client.proto
@@ -25,6 +25,7 @@ message AccountAPTBalanceReply {
 
 message ViewRequest {
   ViewPayload payload = 1;
+  optional uint64 ledger_version = 2; // nil means use latest ledger version
 }
 
 message ViewReply {
diff --git a/cre/capabilities/blockchain/solana/v1alpha/client.proto b/cre/capabilities/blockchain/solana/v1alpha/client.proto
new file mode 100644
index 00000000..5f950f3d
--- /dev/null
+++ b/cre/capabilities/blockchain/solana/v1alpha/client.proto
@@ -0,0 +1,429 @@
+syntax = "proto3";
+package capabilities.blockchain.solana.v1alpha;
+
+import "sdk/v1alpha/sdk.proto";
+import "tools/generator/v1alpha/cre_metadata.proto";
+import "values/v1/values.proto";
+
+// Account/tx data encodings.
+enum EncodingType {
+  ENCODING_TYPE_NONE = 0;
+  ENCODING_TYPE_BASE58 = 1; // for data <129 bytes
+  ENCODING_TYPE_BASE64 = 2; // any size
+  ENCODING_TYPE_BASE64_ZSTD = 3; // zstd-compressed, base64-wrapped
+  ENCODING_TYPE_JSON_PARSED = 4; // program parsers; fallback to base64 if unknown
+  ENCODING_TYPE_JSON = 5; // raw JSON (rare; prefer JSON_PARSED)
+}
+
+// Read consistency of queried state.
+enum CommitmentType {
+  COMMITMENT_TYPE_NONE = 0;
+  COMMITMENT_TYPE_FINALIZED = 1; // cluster-finalized
+  COMMITMENT_TYPE_CONFIRMED = 2; // voted by supermajority
+  COMMITMENT_TYPE_PROCESSED = 3; // node’s latest
+}
+
+// Cluster confirmation status of a tx/signature.
+enum ConfirmationStatusType {
+  CONFIRMATION_STATUS_TYPE_NONE = 0;
+  CONFIRMATION_STATUS_TYPE_PROCESSED = 1;
+  CONFIRMATION_STATUS_TYPE_CONFIRMED = 2;
+  CONFIRMATION_STATUS_TYPE_FINALIZED = 3;
+}
+
+// Transaction execution status returned by submitters/simulations.
+enum TxStatus {
+  TX_STATUS_FATAL = 0; // unrecoverable failure
+  TX_STATUS_ABORTED = 1; // not executed / dropped
+  TX_STATUS_SUCCESS = 2; // executed successfully
+}
+
+// On-chain account state.
+message Account {
+  uint64 lamports = 1; // balance in lamports (1e-9 SOL)
+  bytes owner = 2; // 32-byte program id (Pubkey)
+  DataBytesOrJSON data = 3; // account data (encoded or JSON)
+  bool executable = 4; // true if this is a program account
+  values.v1.BigInt rent_epoch = 5; // next rent epoch
+  uint64 space = 6; // data length in bytes
+}
+
+// Compute budget configuration when submitting txs.
+message ComputeConfig {
+  uint32 compute_limit = 1; // max CUs (approx per-tx limit)
+  uint64 compute_max_price = 2; // max lamports per CU
+}
+
+// Raw bytes vs parsed JSON (as returned by RPC).
+message DataBytesOrJSON {
+  EncodingType encoding = 1;
+  oneof body {
+    bytes raw = 2; // program data (node’s base64/base58 decoded)
+    bytes json = 3; // json: UTF-8 bytes of the jsonParsed payload.
+  }
+}
+
+// Return a slice of account data.
+message DataSlice {
+  uint64 offset = 1; // start byte
+  uint64 length = 2; // number of bytes
+}
+
+// Options for GetAccountInfo.
+message GetAccountInfoOpts {
+  EncodingType encoding = 1; // data encoding
+  CommitmentType commitment = 2; // read consistency
+  DataSlice data_slice = 3; // optional slice window
+  uint64 min_context_slot = 4; // lower bound slot
+}
+
+// Reply for GetAccountInfoWithOpts.
+message GetAccountInfoWithOptsReply {
+  RPCContext rpc_context = 1; // read slot
+  optional Account value = 2; // account (may be empty)
+}
+
+// Request for GetAccountInfoWithOpts.
+message GetAccountInfoWithOptsRequest {
+  bytes account = 1; // 32-byte Pubkey
+  GetAccountInfoOpts opts = 2;
+}
+
+// Reply for GetBalance.
+message GetBalanceReply {
+  uint64 value = 1; // lamports
+}
+
+// Request for GetBalance.
+message GetBalanceRequest {
+  bytes addr = 1; // 32-byte Pubkey
+  CommitmentType commitment = 2; // read consistency
+}
+
+// Options for GetBlock.
+message GetBlockOpts {
+  CommitmentType commitment = 4; // read consistency
+}
+
+// Block response.
+message GetBlockReply {
+  bytes blockhash = 1; // 32-byte block hash
+  bytes previous_blockhash = 2; // 32-byte parent hash
+  uint64 parent_slot = 3;
+  optional int64 block_time = 4; // unix seconds, node may not report it
+  uint64 block_height = 5; // chain height
+}
+
+// Request for GetBlock.
+message GetBlockRequest {
+  uint64 slot = 1; // target slot
+  GetBlockOpts opts = 2;
+}
+
+// Fee quote for a base58-encoded Message.
+message GetFeeForMessageReply {
+  uint64 fee = 1; // lamports
+}
+
+message GetFeeForMessageRequest {
+  string message = 1; // must be base58-encoded Message
+  CommitmentType commitment = 2; // read consistency
+}
+
+// Options for GetMultipleAccounts.
+message GetMultipleAccountsOpts {
+  EncodingType encoding = 1;
+  CommitmentType commitment = 2;
+  DataSlice data_slice = 3;
+  uint64 min_context_slot = 4;
+}
+
+message OptionalAccountWrapper {
+  optional Account account = 1;
+}
+
+// Reply for GetMultipleAccountsWithOpts.
+message GetMultipleAccountsWithOptsReply {
+  RPCContext rpc_context = 1; // read slot
+  repeated OptionalAccountWrapper value = 2; // accounts (nil entries allowed)
+}
+
+// Request for GetMultipleAccountsWithOpts.
+message GetMultipleAccountsWithOptsRequest {
+  repeated bytes accounts = 1; // list of 32-byte Pubkeys
+  GetMultipleAccountsOpts opts = 2;
+}
+
+// Reply for GetSignatureStatuses.
+message GetSignatureStatusesReply {
+  repeated GetSignatureStatusesResult results = 1; // 1:1 with input
+}
+
+// Request for GetSignatureStatuses.
+message GetSignatureStatusesRequest {
+  repeated bytes sigs = 1; // 64-byte signatures
+}
+
+// Per-signature status.
+message GetSignatureStatusesResult {
+  uint64 slot = 1; // processed slot
+  optional uint64 confirmations = 2; // null->0 here
+  string err = 3; // error JSON string (empty on success)
+  ConfirmationStatusType confirmation_status = 4;
+}
+
+// Current “height” (blocks below latest).
+message GetSlotHeightReply {
+  uint64 height = 1;
+}
+
+message GetSlotHeightRequest {
+  CommitmentType commitment = 1; // read consistency
+}
+
+// Message header counts.
+message MessageHeader {
+  uint32 num_required_signatures = 1; // signer count
+  uint32 num_readonly_signed_accounts = 2; // trailing signed RO
+  uint32 num_readonly_unsigned_accounts = 3; // trailing unsigned RO
+}
+
+// Parsed message (no address tables).
+message ParsedMessage {
+  bytes recent_blockhash = 1; // 32-byte Hash
+  repeated bytes account_keys = 2; // list of 32-byte Pubkeys
+  MessageHeader header = 3;
+  repeated CompiledInstruction instructions = 4;
+}
+
+// Parsed transaction (signatures + message).
+message ParsedTransaction {
+  repeated bytes signatures = 1; // 64-byte signatures
+  ParsedMessage message = 2;
+}
+
+// Token amount (UI-friendly).
+message UiTokenAmount {
+  string amount = 1; // raw integer string
+  uint32 decimals = 2; // mint decimals
+  string ui_amount_string = 4; // amount / 10^decimals
+}
+
+// SPL token balance entry.
+message TokenBalance {
+  uint32 account_index = 1; // index in account_keys
+  optional bytes owner = 2; // 32-byte owner (optional)
+  optional bytes program_id = 3; // 32-byte token program (optional)
+  bytes mint = 4; // 32-byte mint
+  UiTokenAmount ui = 5; // formatted amounts
+}
+
+// Inner instruction list at a given outer instruction index.
+message InnerInstruction {
+  uint32 index = 1; // outer ix index
+  repeated CompiledInstruction instructions = 2; // invoked ixs
+}
+
+// Address table lookups expanded by loader.
+message LoadedAddresses {
+  repeated bytes readonly = 1; // 32-byte Pubkeys
+  repeated bytes writable = 2; // 32-byte Pubkeys
+}
+
+// Compiled (program) instruction.
+message CompiledInstruction {
+  uint32 program_id_index = 1; // index into account_keys
+  repeated uint32 accounts = 2; // indices into account_keys
+  bytes data = 3; // program input bytes
+  uint32 stack_height = 4; // if recorded by node
+}
+
+// Raw bytes with encoding tag.
+message Data {
+  bytes content = 1; // raw bytes
+  EncodingType encoding = 2; // how it was encoded originally
+}
+
+// Program return data.
+message ReturnData {
+  bytes program_id = 1; // 32-byte Pubkey
+  Data data = 2; // raw return bytes
+}
+
+// Transaction execution metadata.
+message TransactionMeta {
+  string err_json = 1; // error JSON (empty on success)
+  uint64 fee = 2; // lamports
+  repeated uint64 pre_balances = 3; // lamports per account
+  repeated uint64 post_balances = 4; // lamports per account
+  repeated string log_messages = 5; // runtime logs
+  repeated TokenBalance pre_token_balances = 6;
+  repeated TokenBalance post_token_balances = 7;
+  repeated InnerInstruction inner_instructions = 8;
+  LoadedAddresses loaded_addresses = 9;
+  ReturnData return_data = 10;
+  optional uint64 compute_units_consumed = 11; // CUs
+}
+
+// Transaction envelope: raw bytes or parsed struct.
+message TransactionEnvelope {
+  oneof transaction {
+    bytes raw = 1; // raw tx bytes (for RAW/base64)
+    ParsedTransaction parsed = 2; // parsed tx (for JSON_PARSED)
+  }
+}
+
+// GetTransaction reply.
+message GetTransactionReply {
+  uint64 slot = 1; // processed slot
+  optional int64 block_time = 2; // unix seconds
+  optional TransactionEnvelope transaction = 3; // tx bytes or parsed
+  optional TransactionMeta meta = 4; // may be omitted by node
+}
+
+// GetTransaction request.
+message GetTransactionRequest {
+  bytes signature = 1; // 64-byte signature
+}
+
+// RPC read context.
+message RPCContext {
+  uint64 slot = 1;
+}
+
+// Simulation options.
+message SimulateTXOpts {
+  bool sig_verify = 1; // verify sigs
+  CommitmentType commitment = 2; // read consistency
+  bool replace_recent_blockhash = 3; // refresh blockhash
+  SimulateTransactionAccountsOpts accounts = 4; // return accounts
+}
+
+// Simulation result.
+message SimulateTXReply {
+  string err = 1; // empty on success
+  repeated string logs = 2; // runtime logs
+  repeated Account accounts = 3; // returned accounts
+  uint64 units_consumed = 4; // CUs
+}
+
+// Simulation request.
+message SimulateTXRequest {
+  bytes receiver = 1; // 32-byte program id (target)
+  string encoded_transaction = 2; // base64/base58 tx
+  SimulateTXOpts opts = 3;
+}
+
+// Accounts to return during simulation.
+message SimulateTransactionAccountsOpts {
+  EncodingType encoding = 1; // account data encoding
+  repeated bytes addresses = 2; // 32-byte Pubkeys
+}
+
+enum ComparisonOperator {
+  COMPARISON_OPERATOR_EQ = 0;
+  COMPARISON_OPERATOR_NEQ = 1;
+  COMPARISON_OPERATOR_GT = 2;
+  COMPARISON_OPERATOR_LT = 3;
+  COMPARISON_OPERATOR_GTE = 4;
+  COMPARISON_OPERATOR_LTE = 5;
+}
+
+message ValueComparator {
+  bytes value = 1;
+  ComparisonOperator operator = 2;
+}
+
+message SubkeyConfig {
+  repeated string path = 1;
+  repeated ValueComparator comparers = 2;
+}
+
+message FilterLogTriggerRequest {
+  string name = 1;
+  bytes address = 2; // Solana PublicKey (32 bytes)
+  string event_name = 3;
+  bytes event_idl_json = 4;
+  repeated SubkeyConfig subkeys = 5;
+}
+
+message Log {
+  string chain_id = 1; // Chain identifier
+  int64 log_index = 2; // Index of the log within the block
+  bytes block_hash = 3; // 32-byte block hash
+  int64 block_number = 4; // Block/slot number
+  uint64 block_timestamp = 5; // Unix timestamp of the block
+  bytes address = 6; // 32-byte program PublicKey
+  bytes event_sig = 7; // 8-byte event signature
+  bytes tx_hash = 8; // 64-byte transaction signature
+  bytes data = 9; // Decoded event data
+  int64 sequence_num = 10; // Sequence number for ordering
+  optional string error = 11; // Error message if log processing failed
+}
+
+// All metas are non-signers.
+message AccountMeta {
+  bytes public_key = 1; // 32 bytes account public key
+  bool is_writable = 2; // write flag
+}
+
+message WriteReportRequest {
+  repeated AccountMeta remaining_accounts = 1; // accounts that are required by the receiver to accept the report
+  bytes receiver = 2; // 32 bytes receiver
+  optional ComputeConfig compute_config = 3;
+  sdk.v1alpha.ReportResponse report = 4;
+}
+
+enum ReceiverContractExecutionStatus {
+  RECEIVER_CONTRACT_EXECUTION_STATUS_SUCCESS = 0;
+  RECEIVER_CONTRACT_EXECUTION_STATUS_REVERTED = 1;
+}
+
+message WriteReportReply {
+  TxStatus tx_status = 1;
+  optional ReceiverContractExecutionStatus receiver_contract_execution_status = 2;
+  optional bytes tx_signature = 3;
+  optional uint64 transaction_fee = 4;
+  optional string error_message = 5;
+}
+
+service Client {
+  option (tools.generator.v1alpha.capability) = {
+    mode: MODE_DON
+    capability_id: "solana@1.0.0"
+    labels: {
+      // from https://github.com/smartcontractkit/chain-selectors/blob/main/selectors.yml
+      // as a subset of the selectors supported on the CRE
+      key: "ChainSelector"
+      value: {
+        uint64_label: {
+          defaults: [
+            {
+              key: "solana-mainnet"
+              value: 124615329519749607
+            },
+            {
+              key: "solana-testnet"
+              value: 6302590918974934319
+            },
+            {
+              key: "solana-devnet"
+              value: 16423721717087811551
+            }
+          ]
+        }
+      }
+    }
+  };
+
+  rpc GetAccountInfoWithOpts(GetAccountInfoWithOptsRequest) returns (GetAccountInfoWithOptsReply);
+  rpc GetBalance(GetBalanceRequest) returns (GetBalanceReply);
+  rpc GetBlock(GetBlockRequest) returns (GetBlockReply);
+  rpc GetFeeForMessage(GetFeeForMessageRequest) returns (GetFeeForMessageReply);
+  rpc GetMultipleAccountsWithOpts(GetMultipleAccountsWithOptsRequest) returns (GetMultipleAccountsWithOptsReply);
+  rpc GetSignatureStatuses(GetSignatureStatusesRequest) returns (GetSignatureStatusesReply);
+  rpc GetSlotHeight(GetSlotHeightRequest) returns (GetSlotHeightReply);
+  rpc GetTransaction(GetTransactionRequest) returns (GetTransactionReply);
+  rpc LogTrigger(FilterLogTriggerRequest) returns (stream Log);
+  rpc WriteReport(WriteReportRequest) returns (WriteReportReply);
+}
diff --git a/cre/go/installer/pkg/embedded_gen.go b/cre/go/installer/pkg/embedded_gen.go
index 0b5ed0f9..ffa8771a 100755
--- a/cre/go/installer/pkg/embedded_gen.go
+++ b/cre/go/installer/pkg/embedded_gen.go
@@ -28,6 +28,7 @@ message AccountAPTBalanceReply {
 
 message ViewRequest {
   ViewPayload payload = 1;
+  optional uint64 ledger_version = 2; // nil means use latest ledger version
 }
 
 message ViewReply {
@@ -527,6 +528,437 @@ message WriteReportReply {
 }
 `
 
+const blockchainSolanaV1alphaClientEmbedded = `syntax = "proto3";
+package capabilities.blockchain.solana.v1alpha;
+
+import "sdk/v1alpha/sdk.proto";
+import "tools/generator/v1alpha/cre_metadata.proto";
+import "values/v1/values.proto";
+
+// Account/tx data encodings.
+enum EncodingType {
+  ENCODING_TYPE_NONE = 0;
+  ENCODING_TYPE_BASE58 = 1; // for data <129 bytes
+  ENCODING_TYPE_BASE64 = 2; // any size
+  ENCODING_TYPE_BASE64_ZSTD = 3; // zstd-compressed, base64-wrapped
+  ENCODING_TYPE_JSON_PARSED = 4; // program parsers; fallback to base64 if unknown
+  ENCODING_TYPE_JSON = 5; // raw JSON (rare; prefer JSON_PARSED)
+}
+
+// Read consistency of queried state.
+enum CommitmentType {
+  COMMITMENT_TYPE_NONE = 0;
+  COMMITMENT_TYPE_FINALIZED = 1; // cluster-finalized
+  COMMITMENT_TYPE_CONFIRMED = 2; // voted by supermajority
+  COMMITMENT_TYPE_PROCESSED = 3; // node’s latest
+}
+
+// Cluster confirmation status of a tx/signature.
+enum ConfirmationStatusType {
+  CONFIRMATION_STATUS_TYPE_NONE = 0;
+  CONFIRMATION_STATUS_TYPE_PROCESSED = 1;
+  CONFIRMATION_STATUS_TYPE_CONFIRMED = 2;
+  CONFIRMATION_STATUS_TYPE_FINALIZED = 3;
+}
+
+// Transaction execution status returned by submitters/simulations.
+enum TxStatus {
+  TX_STATUS_FATAL = 0; // unrecoverable failure
+  TX_STATUS_ABORTED = 1; // not executed / dropped
+  TX_STATUS_SUCCESS = 2; // executed successfully
+}
+
+// On-chain account state.
+message Account {
+  uint64 lamports = 1; // balance in lamports (1e-9 SOL)
+  bytes owner = 2; // 32-byte program id (Pubkey)
+  DataBytesOrJSON data = 3; // account data (encoded or JSON)
+  bool executable = 4; // true if this is a program account
+  values.v1.BigInt rent_epoch = 5; // next rent epoch
+  uint64 space = 6; // data length in bytes
+}
+
+// Compute budget configuration when submitting txs.
+message ComputeConfig {
+  uint32 compute_limit = 1; // max CUs (approx per-tx limit)
+  uint64 compute_max_price = 2; // max lamports per CU
+}
+
+// Raw bytes vs parsed JSON (as returned by RPC).
+message DataBytesOrJSON {
+  EncodingType encoding = 1;
+  oneof body {
+    bytes raw = 2; // program data (node’s base64/base58 decoded)
+    bytes json = 3; // json: UTF-8 bytes of the jsonParsed payload.
+  }
+}
+
+// Return a slice of account data.
+message DataSlice {
+  uint64 offset = 1; // start byte
+  uint64 length = 2; // number of bytes
+}
+
+// Options for GetAccountInfo.
+message GetAccountInfoOpts {
+  EncodingType encoding = 1; // data encoding
+  CommitmentType commitment = 2; // read consistency
+  DataSlice data_slice = 3; // optional slice window
+  uint64 min_context_slot = 4; // lower bound slot
+}
+
+// Reply for GetAccountInfoWithOpts.
+message GetAccountInfoWithOptsReply {
+  RPCContext rpc_context = 1; // read slot
+  optional Account value = 2; // account (may be empty)
+}
+
+// Request for GetAccountInfoWithOpts.
+message GetAccountInfoWithOptsRequest {
+  bytes account = 1; // 32-byte Pubkey
+  GetAccountInfoOpts opts = 2;
+}
+
+// Reply for GetBalance.
+message GetBalanceReply {
+  uint64 value = 1; // lamports
+}
+
+// Request for GetBalance.
+message GetBalanceRequest {
+  bytes addr = 1; // 32-byte Pubkey
+  CommitmentType commitment = 2; // read consistency
+}
+
+// Options for GetBlock.
+message GetBlockOpts {
+  CommitmentType commitment = 4; // read consistency
+}
+
+// Block response.
+message GetBlockReply {
+  bytes blockhash = 1; // 32-byte block hash
+  bytes previous_blockhash = 2; // 32-byte parent hash
+  uint64 parent_slot = 3;
+  optional int64 block_time = 4; // unix seconds, node may not report it
+  uint64 block_height = 5; // chain height
+}
+
+// Request for GetBlock.
+message GetBlockRequest {
+  uint64 slot = 1; // target slot
+  GetBlockOpts opts = 2;
+}
+
+// Fee quote for a base58-encoded Message.
+message GetFeeForMessageReply {
+  uint64 fee = 1; // lamports
+}
+
+message GetFeeForMessageRequest {
+  string message = 1; // must be base58-encoded Message
+  CommitmentType commitment = 2; // read consistency
+}
+
+// Options for GetMultipleAccounts.
+message GetMultipleAccountsOpts {
+  EncodingType encoding = 1;
+  CommitmentType commitment = 2;
+  DataSlice data_slice = 3;
+  uint64 min_context_slot = 4;
+}
+
+message OptionalAccountWrapper {
+  optional Account account = 1;
+}
+
+// Reply for GetMultipleAccountsWithOpts.
+message GetMultipleAccountsWithOptsReply {
+  RPCContext rpc_context = 1; // read slot
+  repeated OptionalAccountWrapper value = 2; // accounts (nil entries allowed)
+}
+
+// Request for GetMultipleAccountsWithOpts.
+message GetMultipleAccountsWithOptsRequest {
+  repeated bytes accounts = 1; // list of 32-byte Pubkeys
+  GetMultipleAccountsOpts opts = 2;
+}
+
+// Reply for GetSignatureStatuses.
+message GetSignatureStatusesReply {
+  repeated GetSignatureStatusesResult results = 1; // 1:1 with input
+}
+
+// Request for GetSignatureStatuses.
+message GetSignatureStatusesRequest {
+  repeated bytes sigs = 1; // 64-byte signatures
+}
+
+// Per-signature status.
+message GetSignatureStatusesResult {
+  uint64 slot = 1; // processed slot
+  optional uint64 confirmations = 2; // null->0 here
+  string err = 3; // error JSON string (empty on success)
+  ConfirmationStatusType confirmation_status = 4;
+}
+
+// Current “height” (blocks below latest).
+message GetSlotHeightReply {
+  uint64 height = 1;
+}
+
+message GetSlotHeightRequest {
+  CommitmentType commitment = 1; // read consistency
+}
+
+// Message header counts.
+message MessageHeader {
+  uint32 num_required_signatures = 1; // signer count
+  uint32 num_readonly_signed_accounts = 2; // trailing signed RO
+  uint32 num_readonly_unsigned_accounts = 3; // trailing unsigned RO
+}
+
+// Parsed message (no address tables).
+message ParsedMessage {
+  bytes recent_blockhash = 1; // 32-byte Hash
+  repeated bytes account_keys = 2; // list of 32-byte Pubkeys
+  MessageHeader header = 3;
+  repeated CompiledInstruction instructions = 4;
+}
+
+// Parsed transaction (signatures + message).
+message ParsedTransaction {
+  repeated bytes signatures = 1; // 64-byte signatures
+  ParsedMessage message = 2;
+}
+
+// Token amount (UI-friendly).
+message UiTokenAmount {
+  string amount = 1; // raw integer string
+  uint32 decimals = 2; // mint decimals
+  string ui_amount_string = 4; // amount / 10^decimals
+}
+
+// SPL token balance entry.
+message TokenBalance {
+  uint32 account_index = 1; // index in account_keys
+  optional bytes owner = 2; // 32-byte owner (optional)
+  optional bytes program_id = 3; // 32-byte token program (optional)
+  bytes mint = 4; // 32-byte mint
+  UiTokenAmount ui = 5; // formatted amounts
+}
+
+// Inner instruction list at a given outer instruction index.
+message InnerInstruction {
+  uint32 index = 1; // outer ix index
+  repeated CompiledInstruction instructions = 2; // invoked ixs
+}
+
+// Address table lookups expanded by loader.
+message LoadedAddresses {
+  repeated bytes readonly = 1; // 32-byte Pubkeys
+  repeated bytes writable = 2; // 32-byte Pubkeys
+}
+
+// Compiled (program) instruction.
+message CompiledInstruction {
+  uint32 program_id_index = 1; // index into account_keys
+  repeated uint32 accounts = 2; // indices into account_keys
+  bytes data = 3; // program input bytes
+  uint32 stack_height = 4; // if recorded by node
+}
+
+// Raw bytes with encoding tag.
+message Data {
+  bytes content = 1; // raw bytes
+  EncodingType encoding = 2; // how it was encoded originally
+}
+
+// Program return data.
+message ReturnData {
+  bytes program_id = 1; // 32-byte Pubkey
+  Data data = 2; // raw return bytes
+}
+
+// Transaction execution metadata.
+message TransactionMeta {
+  string err_json = 1; // error JSON (empty on success)
+  uint64 fee = 2; // lamports
+  repeated uint64 pre_balances = 3; // lamports per account
+  repeated uint64 post_balances = 4; // lamports per account
+  repeated string log_messages = 5; // runtime logs
+  repeated TokenBalance pre_token_balances = 6;
+  repeated TokenBalance post_token_balances = 7;
+  repeated InnerInstruction inner_instructions = 8;
+  LoadedAddresses loaded_addresses = 9;
+  ReturnData return_data = 10;
+  optional uint64 compute_units_consumed = 11; // CUs
+}
+
+// Transaction envelope: raw bytes or parsed struct.
+message TransactionEnvelope {
+  oneof transaction {
+    bytes raw = 1; // raw tx bytes (for RAW/base64)
+    ParsedTransaction parsed = 2; // parsed tx (for JSON_PARSED)
+  }
+}
+
+// GetTransaction reply.
+message GetTransactionReply {
+  uint64 slot = 1; // processed slot
+  optional int64 block_time = 2; // unix seconds
+  optional TransactionEnvelope transaction = 3; // tx bytes or parsed
+  optional TransactionMeta meta = 4; // may be omitted by node
+}
+
+// GetTransaction request.
+message GetTransactionRequest {
+  bytes signature = 1; // 64-byte signature
+}
+
+// RPC read context.
+message RPCContext {
+  uint64 slot = 1;
+}
+
+// Simulation options.
+message SimulateTXOpts {
+  bool sig_verify = 1; // verify sigs
+  CommitmentType commitment = 2; // read consistency
+  bool replace_recent_blockhash = 3; // refresh blockhash
+  SimulateTransactionAccountsOpts accounts = 4; // return accounts
+}
+
+// Simulation result.
+message SimulateTXReply {
+  string err = 1; // empty on success
+  repeated string logs = 2; // runtime logs
+  repeated Account accounts = 3; // returned accounts
+  uint64 units_consumed = 4; // CUs
+}
+
+// Simulation request.
+message SimulateTXRequest {
+  bytes receiver = 1; // 32-byte program id (target)
+  string encoded_transaction = 2; // base64/base58 tx
+  SimulateTXOpts opts = 3;
+}
+
+// Accounts to return during simulation.
+message SimulateTransactionAccountsOpts {
+  EncodingType encoding = 1; // account data encoding
+  repeated bytes addresses = 2; // 32-byte Pubkeys
+}
+
+enum ComparisonOperator {
+  COMPARISON_OPERATOR_EQ = 0;
+  COMPARISON_OPERATOR_NEQ = 1;
+  COMPARISON_OPERATOR_GT = 2;
+  COMPARISON_OPERATOR_LT = 3;
+  COMPARISON_OPERATOR_GTE = 4;
+  COMPARISON_OPERATOR_LTE = 5;
+}
+
+message ValueComparator {
+  bytes value = 1;
+  ComparisonOperator operator = 2;
+}
+
+message SubkeyConfig {
+  repeated string path = 1;
+  repeated ValueComparator comparers = 2;
+}
+
+message FilterLogTriggerRequest {
+  string name = 1;
+  bytes address = 2; // Solana PublicKey (32 bytes)
+  string event_name = 3;
+  bytes event_idl_json = 4;
+  repeated SubkeyConfig subkeys = 5;
+}
+
+message Log {
+  string chain_id = 1; // Chain identifier
+  int64 log_index = 2; // Index of the log within the block
+  bytes block_hash = 3; // 32-byte block hash
+  int64 block_number = 4; // Block/slot number
+  uint64 block_timestamp = 5; // Unix timestamp of the block
+  bytes address = 6; // 32-byte program PublicKey
+  bytes event_sig = 7; // 8-byte event signature
+  bytes tx_hash = 8; // 64-byte transaction signature
+  bytes data = 9; // Decoded event data
+  int64 sequence_num = 10; // Sequence number for ordering
+  optional string error = 11; // Error message if log processing failed
+}
+
+// All metas are non-signers.
+message AccountMeta {
+  bytes public_key = 1; // 32 bytes account public key
+  bool is_writable = 2; // write flag
+}
+
+message WriteReportRequest {
+  repeated AccountMeta remaining_accounts = 1; // accounts that are required by the receiver to accept the report
+  bytes receiver = 2; // 32 bytes receiver
+  optional ComputeConfig compute_config = 3;
+  sdk.v1alpha.ReportResponse report = 4;
+}
+
+enum ReceiverContractExecutionStatus {
+  RECEIVER_CONTRACT_EXECUTION_STATUS_SUCCESS = 0;
+  RECEIVER_CONTRACT_EXECUTION_STATUS_REVERTED = 1;
+}
+
+message WriteReportReply {
+  TxStatus tx_status = 1;
+  optional ReceiverContractExecutionStatus receiver_contract_execution_status = 2;
+  optional bytes tx_signature = 3;
+  optional uint64 transaction_fee = 4;
+  optional string error_message = 5;
+}
+
+service Client {
+  option (tools.generator.v1alpha.capability) = {
+    mode: MODE_DON
+    capability_id: "solana@1.0.0"
+    labels: {
+      // from https://github.com/smartcontractkit/chain-selectors/blob/main/selectors.yml
+      // as a subset of the selectors supported on the CRE
+      key: "ChainSelector"
+      value: {
+        uint64_label: {
+          defaults: [
+            {
+              key: "solana-mainnet"
+              value: 124615329519749607
+            },
+            {
+              key: "solana-testnet"
+              value: 6302590918974934319
+            },
+            {
+              key: "solana-devnet"
+              value: 16423721717087811551
+            }
+          ]
+        }
+      }
+    }
+  };
+
+  rpc GetAccountInfoWithOpts(GetAccountInfoWithOptsRequest) returns (GetAccountInfoWithOptsReply);
+  rpc GetBalance(GetBalanceRequest) returns (GetBalanceReply);
+  rpc GetBlock(GetBlockRequest) returns (GetBlockReply);
+  rpc GetFeeForMessage(GetFeeForMessageRequest) returns (GetFeeForMessageReply);
+  rpc GetMultipleAccountsWithOpts(GetMultipleAccountsWithOptsRequest) returns (GetMultipleAccountsWithOptsReply);
+  rpc GetSignatureStatuses(GetSignatureStatusesRequest) returns (GetSignatureStatusesReply);
+  rpc GetSlotHeight(GetSlotHeightRequest) returns (GetSlotHeightReply);
+  rpc GetTransaction(GetTransactionRequest) returns (GetTransactionReply);
+  rpc LogTrigger(FilterLogTriggerRequest) returns (stream Log);
+  rpc WriteReport(WriteReportRequest) returns (WriteReportReply);
+}
+`
+
 const computeConfidentialworkflowV1alphaClientEmbedded = `syntax = "proto3";
 
 package capabilities.compute.confidentialworkflow.v1alpha;
@@ -1426,6 +1858,10 @@ var allFiles = []*embeddedFile{
 		name:    "capabilities/blockchain/evm/v1alpha/client.proto",
 		content: blockchainEvmV1alphaClientEmbedded,
 	},
+	{
+		name:    "capabilities/blockchain/solana/v1alpha/client.proto",
+		content: blockchainSolanaV1alphaClientEmbedded,
+	},
 	{
 		name:    "capabilities/compute/confidentialworkflow/v1alpha/client.proto",
 		content: computeConfidentialworkflowV1alphaClientEmbedded,