Pull request ElementsProject/lightning#4397

RBF: First part

6367
6378
6379
6381
6383
6392
6393
6404
6413
6414

Range Diff Matrix


6367..6378
6367..6379	6378..6379
6367..6381	6378..6381	6379..6381
6367..6383	6378..6383	6379..6383	6381..6383
6367..6392	6378..6392	6379..6392	6381..6392	6383..6392
6367..6393	6378..6393	6379..6393	6381..6393	6383..6393	6392..6393
6367..6404	6378..6404	6379..6404	6381..6404	6383..6404	6392..6404	6393..6404
6367..6413	6378..6413	6379..6413	6381..6413	6383..6413	6392..6413	6393..6413	6404..6413
6367..6414	6378..6414	6379..6414	6381..6414	6383..6414	6392..6414	6393..6414	6404..6414	6413..6414