Class: BSV::MCP::Tools::FetchTx

Inherits:
MCP::Tool
  • Object
show all
Defined in:
lib/bsv/mcp/tools/fetch_tx.rb

Overview

Fetches a transaction from the BSV network by its txid using the WhatsOnChain API, returning both the raw hex and decoded structure.

Class Method Summary collapse

Class Method Details

.call(txid:, network: nil, server_context: nil) ⇒ Object 



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# File 'lib/bsv/mcp/tools/fetch_tx.rb', line 50

def self.call(txid:, network: nil, server_context: nil)
  net_sym = Helpers.resolve_network_sym(network, server_context)
  provider = BSV::Network::Providers::WhatsOnChain.default(network: net_sym)
  fetch_result = provider.call(:get_tx, txid)

  unless fetch_result.success?
    code = fetch_result.metadata[:status_code]
    msg = fetch_result.message
    msg = "#{msg} (HTTP #{code})" if code
    return Helpers.error_response(msg)
  end

  tx = BSV::Transaction::Transaction.from_hex(fetch_result.data)

  result = {
    hex: tx.to_hex,
    network: net_sym.to_s
  }.merge(Helpers.transaction_to_h(tx))

  ::MCP::Tool::Response.new(
    [::MCP::Content::Text.new(result.to_json)],
    structured_content: result
  )
rescue ArgumentError => e
  Helpers.error_response(e.message)
end