Packages

mpp

0.7.0
0.10.0 0.9.0 0.8.0 0.7.0 0.6.4 0.6.3 0.6.2 0.6.1 0.6.0 0.4.0 0.3.2 0.3.1 0.3.0 0.2.0 0.1.1 0.1.0 0.0.1

Elixir implementation of the Machine Payments Protocol (MPP) — HTTP 402 payment middleware for AI agents and machine-to-machine commerce. Supports Stripe, Tempo, and generic EVM payment methods with pluggable architecture.

HexDocs

Current section

Files

Jump to
Readme
17 Versions
8 Dependencies
Dependants
3 Advisories
Files
Activity
mpp lib mpp methods tempo envelope_fields.ex
Raw

lib/mpp/methods/tempo/envelope_fields.ex 

defmodule MPP.Methods.Tempo.EnvelopeFields do

  @moduledoc false



  # 0x76 RLP envelope field indices — matches Onchain.Tempo.Transaction wire layout

  # (deps/onchain_tempo/lib/onchain/tempo/transaction.ex) and cross-checked against

  # mppx TxEnvelopeTempo + mpp-rs Tempo transaction encoding:

  #

  #   chain_id, max_priority_fee_per_gas, max_fee_per_gas, gas_limit,

  #   calls, access_list, nonce_key, nonce, valid_before, valid_after,

  #   fee_token, fee_payer_signature, aa_authorization_list,

  #   key_authorization?, sender_signature



  @type field_index :: non_neg_integer()



  @chain_id 0

  @max_priority_fee_per_gas 1

  @max_fee_per_gas 2

  @gas_limit 3

  @calls 4

  @access_list 5

  @nonce_key 6

  @nonce 7

  @valid_before 8

  @valid_after 9

  @fee_token 10

  @fee_payer_signature 11

  @aa_authorization_list 12

  @key_authorization 13

  @sender_signature 14



  # Signed envelope sizes from Onchain.Tempo.Transaction.Builder (13 base fields +

  # sender_signature, optional key_authorization inserted before sender_signature).

  @signed_field_count 14

  @signed_with_key_auth_field_count 15



  @spec chain_id() :: field_index()

  @doc false

  def chain_id, do: @chain_id



  @spec max_priority_fee_per_gas() :: field_index()

  @doc false

  def max_priority_fee_per_gas, do: @max_priority_fee_per_gas



  @spec max_fee_per_gas() :: field_index()

  @doc false

  def max_fee_per_gas, do: @max_fee_per_gas



  @spec gas_limit() :: field_index()

  @doc false

  def gas_limit, do: @gas_limit



  @spec calls() :: field_index()

  @doc false

  def calls, do: @calls



  @spec access_list() :: field_index()

  @doc false

  def access_list, do: @access_list



  @spec nonce_key() :: field_index()

  @doc false

  def nonce_key, do: @nonce_key



  @spec nonce() :: field_index()

  @doc false

  def nonce, do: @nonce



  @spec valid_before() :: field_index()

  @doc false

  def valid_before, do: @valid_before



  @spec valid_after() :: field_index()

  @doc false

  def valid_after, do: @valid_after



  @spec fee_token() :: field_index()

  @doc false

  def fee_token, do: @fee_token



  @spec fee_payer_signature() :: field_index()

  @doc false

  def fee_payer_signature, do: @fee_payer_signature



  @spec aa_authorization_list() :: field_index()

  @doc false

  def aa_authorization_list, do: @aa_authorization_list



  @spec key_authorization() :: field_index()

  @doc false

  def key_authorization, do: @key_authorization



  @spec sender_signature() :: field_index()

  @doc false

  def sender_signature, do: @sender_signature



  @spec signed_field_count() :: pos_integer()

  @doc false

  def signed_field_count, do: @signed_field_count



  @spec signed_with_key_auth_field_count() :: pos_integer()

  @doc false

  def signed_with_key_auth_field_count, do: @signed_with_key_auth_field_count

end